On the morning of November 18, 1755, an earthquake shock Boston. John Winthrop, a professor at Harvard College, felt the quake and awoke. “I rose”, Winthrop wrote, “and lighted a candle, looked at my watch, and found it to be 15minutes after four.” John Winthrop hurried downstairs to the grandfather clock. It had stopped three minutes before, at 4:12. Except for stopping the clock, the quake had only thrown a key from the mantel(壁炉台) to the floor.
The clock had stopped because Winthrop had put some long glass tubes he was using for an experiment into the case for safekeeping. The quake had knocked the tubes over and blocked the pendulum(钟摆).Winthrop, therefore, had the key on the floor. The quake had thrown it forward in the direction of the quake’ s motion by a shock coming from the northwest, perhaps in Canada.What does “it” in the second paragraph refer to?
| A．the floor | B．the key | C．the clock | D．the case |
The selection suggests that .
| A．earthquakes are common in Boston |
| B．John Winthrop was a scientist |
| C．John Winthrop often had difficulty in sleeping |
| D．Harvard College was a center for earthquake researching |
Professor Winthrop ran downstairs because he wanted to know what had happened to .
| A．the clock | B．his grandfather | C．the key | D．the glass tubes |
John Winthrop put some tubes into this clock case because .
| A．he wanted to do an experiment |
| B．he thought an earthquake was probably to happen soon |
| C．he thought it safe for them to be put there |
| D．he wanted to record the exam time of the earthquake |
It is thought that crying is hardly an activity encouraged by society. Tear, whether they are of sorrow, anger, or joy, typically make Americans feel uncomfortable and embarrassed. The shedder of tears (落泪者) is likely to apologize, even when a great tragedy was the cause. The observer of tears is likely to do everything possible to put an end to the emotional tears. But judging from recent studies of crying behavior, both those responses to tears are often inappropriate and may even be counterproductive (适得其反).
Humans are the only animals clearly known to shed emotional tears. Since evolution has given rise to few purposeless physiological responses, it is logical to assume that crying has one or more functions that enhance (increase) survival.
Although some observers have suggested that crying is a way to ask for assistance form others (as a crying baby might from its mother), the shedding of tears is hardly necessary to get help. Vocal cries would have been quite enough, more likely than tears to gain attention. So, it appears, there must be something special about tears themselves.
Indeed, the new studies suggest that emotional tears may play a direct role in alleviating stress, University of Minnesota researchers who are studying the chemical composition of tears have recently isolated two important chemicals from emotional tears. Both chemicals are found only in tears that are shed in response to emotion. Tears shed because of exposure to cut onion would contain no such substance.
Other researchers are investigating the usefulness of tears as a means of diagnosing human ills and monitoring drugs. At Tulane University’s Teat Analysis Laboratory Dr. Peter Kastl and his colleagues report that they can use tears to detect drug abuse, to study the causes of “dry eye” syndrome（综合症）and the effects of eye surgery, and perhaps even to measure exposure to environmental pollutants.
What does the phrase “both those responses” in Paragraph 1 refer to ?
| A．Crying out of sorrow and shedding tears for happiness. |
| B．The embarrassment and unpleasant sensation of the observers. |
| C．The tear shedder’s apology and the observer’s effort to stop the crying. |
| D．Linking illness with crying and finding the chemical composition of tears. |
From the passage we can infer that .
| A．it is unnatural for people to shed tears |
| B．we can reduce our stress by shedding tears |
| C．shedders of tears can’t get help by crying loudly |
| D．unlike animals, humans can shed tears for survival |
What does the passage mainly talk about?
| A．Roles of emotional tears. | B．functions of shedding tears. |
| C．Unwelcome shedders of tears. | D．Research on the effects of tears. |
The Great Wall of China is one of Beijing’s biggest
draws for tourists; despite its fame and ubiquity in
postcards across the world, it rarely fails to attract tourists at
the first proper sight.
Yet the authorities open only certain sections of the wall
as fit for viewing, and few get to visit the unauthorized sections.
|
Fewer still are aware of the existence of at least one part of the Wall that remains in almost original condition, nearly 1,500 years after construction of legendary fortification began. But there’s a good reason for this – it’s underwater.
American journalist Steven Sch
wankert has been diving
since age 10. It was though his setting – up of a diving school
that Schwankert came to explore some of lesser – known areas
of China’s lakes – and discovered the underwater Wall under a
reservoir.
“The most fascinating piece of diving I ever did in China must be the Great Wall. I managed to find out about it via the Internet. It wasn’t difficult to get to Pan Jiakou in Hebei Province, near the East Qing Tomb about 4 hour’s drive from Beijing. Why do I want to dive the Great Wall? Why do people want to walk on the Great Wall? It’s the same answer.”
There are, however, advantages of visiting the Great Wall in a diving suit over being on foot. The water acts as a preservative by preventing the kind of mass tourism that has brought trouble on other parts of the Wall. “Unlike the people who walk in the Wall, we as divers never need to actually touch it. I’ve dived twice there, the last time in July. I found that the water then was much deeper than it was before – 13 meters deep.” When he first dived, parts of the Wall were visible above the surface. Now even the guard tower is completely submerged. “It’s better that the Wall is deep under water, as there are lots of boats coming in and out around that area. Their wave action could potentially damage the brickwork. So, the deeper, the better.”
| A．collecting photos of the Wall | B．walking along on the Wall |
| C．diving the underwater Wall | D．visiting some famous lakes |
What does the underlined word “submerged” in Paragraph 5 most probably mean?
| A．Damaged by water. | B．Washed by water. |
| C．Preserved by water. | D．Covered by water. |
What is the topic discussed in the last paragraph?
| A．Advantages of walking on the Great Wall. |
| B．Advantages of visiting the underwater Wall. |
| C．The reasons why the Wall is deep under water. |
| D．The reasons why the underwater Wall is protected. |
What can we infer from the text?
| A．The underwater Wall will sink deeper year by year. |
| B．Diving the Wall is popular with divers all over the world. |
| C．Diving is a good way to visit the Wall without causing much damage. |
| D．More and more tourists will come to visit the underwater Wall in China. |
At the age of sixteen, I joined a volunteer group with my dad. I went on my first volunteer project in West Virginia. On the night we arrived, we discovered that “our family” was living in a trailer(拖车) that was in poor condition. A crew had been working on it for two weeks, but every time they finished one problem, another surfaced.
We decided the only reasonable solution was to build a new house – something unusual but necessary under these circumstances. The family was overjoyed with their new house that was twenty by thirty feet with three bedrooms, a bath and a kitchen.
On Tuesday of that week, while we ate lunch together, I asked the family’s three boys, Josh, Eric and Ryan, "What do you want for your new room?" Expecting toys and other gadgets that children usually ask for, we were surprised when Josh responded, "I just want a bed."
The boys had never slept in a bed! They were accustomed to plastic mats. That night we had a meeting and decided that beds would be the perfect gift. On Thursday night, a few adults in our group drove to the nearest city and bought beds and new bedding.
When we saw the delivery truck coming, we told the family about the surprise. We could hardly contain ourselves. It was like watching excited children on Christmas morning.
That afternoon, as we fitted the frames of the beds tog tether, Eric ran into the house to watch us. Too dirty to enter his room, he observed with wide-eyed enthusiasm from the doorway.
As my father slipped a pillowcase onto one of the pillows, Eric asked, "What is that?"
"A pillow," she replied.
"What do you do with it?" Eric continued to ask.
"When you go to sleep, you put your head on it,” I answered softly. Tears came to our eyes as she handed Eric the pillow.
"Oh . . . that's soft," he said, hugging it tightly.
Now, when my sister or I start to ask for something that seems urgent, my Dad gently asks, "Do you have a pillow?"
We know exactly what he means.
The writer’s first volunteer project was .
| A．working on a poor trailer | B．helping a poor family |
| C．donating beds and bedding | D．dealing with a housing problem |
On bearing Josh’s answer, the writer was shocked because .
| A．the family lived in a trailer | B．he expected to get some toys |
| C．he didn’t know what a bed was | D．the boys had no bed to sleep in |
From the passage, we can learn that Eric had never seen before.
| A．a trailer | B．a truck | C．a pillow | D．a house |
By saying “Do you have a pillow?”, the writer’s father means that .
| A．what they want to get may be unnecessary | |
| B．they should not waste money on small things | |
C．they should do more volunteer work for the poor |
D．what he will buy is not what they want but a pillow |
The GUARANTEE ON THIS WATER HEATER IS IN EFFECT ONLY WHEN THE HEATER IS INSTALLED AND OPERATED IN ACCORDANCE WITH THESE INSTRUCTIONS. READ THESE INSTRUCTIONS THOROUGHLY BEFORE STARTING.
LOCATION:
Select a location accessible to water lines and power supply. Do not locate the heater where water lines could be subjected to(受…影响) freezing temperatures. It is recommended that the heater be located near the center of greatest hot water usage to prevent heat loss through the pipes.
ELECTRICAL CONNECTIONS:
Before any electrical connections are made, be sure that the heater is full of water and that the valve(阀门) in the cold water supply line is open.
OPERATION
When the switch is closed, the operation of this electric water heater is automatic. The thermostats are preset to the "HOT" setting to provide a water temperature of approximately 120oF to reduce the risk of being burnt.
MAITENACE
Shut off the electric power whenever the water supply is turned off.
Shut off the electric power, water supply and drain the heater completely to prevent freezing whenever the building is left unoccupied during the cold weather months.
SERVICE
The trip–free devices on this heater will cut off all power if temperature of water is above 190F. If there is no hot water after a reasonable period of time, check the main fuse(保险丝) box. In the event that the fuses have not blown, call a serviceman.
72.The location of the water heater shall ___________.
A. be close to water lines and power supply
B. be subjected to low temperature
C. be in the centre of the house
D. have a longer distance to hot water usage.
73.Before any connection of power , make sure that one thing you have to do is _____.
A. to have the heater in the water B. to open the cold water inlet valve.
C. to shut off the thermostats D. to replace wiring diagram
74.When you are not using the heater in winter months, it is better for you to________.
A. have the tank full of clear water B. drain the heater
C. to leave it untouched D. prevent it from losing heat
75. What will happen to the heater when the temperature of water is above 190F?
A. it will cause damage B. It will break off automatically.
C. It will produce cold water. D. It will blow the fuse.
Generations of Americans have been brought up to believe that a good breakfast is one of life essentials. Eating breakfast at the start of the day, we have all been told, and told again, is as necessary as putting gasoline in the family car before starting a trip.
But for many people the thought of food first in the morning is by no means a pleasure. So despite all the efforts, they still take no breakfast. During the past ten years the number of people who didn’t have breakfast, have increased by 33 percent.
For those who feel pain of guilt about not eating breakfast, however, there is some good news. Several studies in the last few years indicate that, for adults especially, there may be nothing wrong with omitting breakfast. “Going without breakfast does not affect performance,” said Arrold E. Bender, former professor of the nutrition at Queen Elizabeth College in London, “nor does giving people breakfast improve performance.”
Scientific evidence linking breakfast to better health or better performance is surprisingly not enough, and most of the recent works are about adults, not children, “The literature”, says one researcher, Dr. Erresto at the University of Texas, “is poor”.
68. For those who do not take breakfast, the good news is that _______.
A. several studies have been done in the past few years
B. not having breakfast does no harm to one’performance
C. studies have been specially on adults
D. eating little in the morning is good for health
69.“…nor does giving people breakfast improve performance” means ______.
A. anyone without breakfast does improve his performance
B. not giving people breakfast improve performance
C. having breakfast does not improve performance, either
D. people having breakfast do improve their performance
70. The word “literature” in the last sentence refers to _______.
A. poems, plays, etc. B. written works on a particular subject
C. the famous works in history D. the modern stories of America
71. What is implied but NOT stated by the author is that _______.
A. breakfast does not affect performance
B. Dr. Erresto is engaged in research work at the University of Texas
C. not eating breakfast might affect the health of children
D. Professor Bender once taught nutrition in London
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