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根据短文内容，从短文后的选项中选出能填入空白处的最佳选项。选项中有两项为多余选项。
Snow is a subject of great interest to weather experts . . One reason is that heavy amounts of snow fall in surprisingly small areas . Another reason is that a small change in temperature can mean the difference between snow and rain .
Just what is snow , anyway ? Snow is a form of frozen water . . These crystals grow from water droplets in cold clouds . They usually grow around dust particles（颗粒）. All snow crystals have six sides , but they grow in different shapes . The shape depends mainly on the temperature and water levels in the air .
. About two and one-half centimeters of rain has as much water as 15 centimeters of wet snow . About 76 centimeters of dry snow equals the water in two and one-half centimeters of rain .
Snowfall helps to protect plants and some wild animals from winter weather . Fresh snow is made largely of air trapped among the snow crystals . .
Snow can also influence the movement of sound waves . When there is fresh , soft snow on the ground , the surface of the snow absorbs , or takes in , sound waves . . Then , the snow’s surface will help to send back sound waves . Under these conditions , sounds may seem clearer and may travel farther .
| A．Much of the water the world uses comes from snow . |
| B．It contains groups of ice particles called snow crystals . |
| C．It is difficult to predict where , when or how much snow will fall . |
| D．Under some conditions , these particles may grow larger and form solid pieces of ice . |
E. Snow contains much less water than rain .
F. However , snow can become hard and flat as it grows older or if there have been strong winds .
G. Because the air has trouble moving , the movement of heat is limited .
根据短文内容，从短文后的选项中选出能填入空白处的最佳选项。选项中有两项为多余选项。
As Nicole and Mike Zupan get closer to retirement, they worry about more than just covering their own living expenses for the next several decades.
He is autistic(患自闭症的) and may never be able to live on his own. Their idea of retirement is to live a quiet life close to their son.
They want to create a special needs trust to help pay for treatment and other expenses he might face as an adult.
“Because of our son’s needs, I guess I never really considered true retirement for us,” she says.
She is to attend college in a few years.
The Zupans’ ideal plan is for Mike, 60, to retire first, in five to seven years, and for Nicole, 52, to continue working for several years beyond that before she joins him in retirement.
But before they can get there, they want to pay off the $18,000 in credit card debt, partly because their son’s treatment is not covered by insurance. They have about $230,000 left on the mortgage(按揭) for their home in Fairfax County, Va., which they assess will take about 12 years to pay off.
Matters are complicated by the fact that Nicole, who worked as a preschool teacher, is now unemployed while she recovers from foot operation. Mike’s $120,000 income, which he earns as a government clerk, is enough to cover their basic living expenses. But Nicole wants to get back to work so the family could afford more treatment for Josef and pay down their debt faster. They also would be able to save more for their long-term goals, including retirement, their daughter’s college tuition and their son’s future living expenses.
| A．Besides they have a $14,000 loan they used on home improvements. |
| B．It’s unlikely that Josef will go to college. |
| C．They’re also trying to save for their 14-year-old daughter, Elshaday. |
| D．They want to set aside enough money for their 15-year-old son, Josef. |
E. It could be a few weeks before she can return to the workforce.
F. Can their retirement savings cover them?
G. He may need to move into a group home when he gets older.
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In many countries of the world people do what is called house sitting. It means that if owners of the house are going away, they want someone to come into their home and look after the house and maybe pets while they are away.
In Australia, many people travel. After people retire, they might buy a van(房车) and travel all over the country. _______________
So if someone wants to travel or go away for some reason, they might want someone in their home to care for it and keep the gardens tidy. House sitters might have to care for pets. Also, quite a few people have swimming pools in their back yard and they need cleaning. _______________ I feel it is a great way of seeing the country, because you go and stay in a new city, get to meet new people, and have time to go sightseeing in a new area.
_______________ There are websites where you find the advertisements by people who want to travel, and by replying to the advertisement, you can make arrangements to go and look after their home.
There are some requirements to be a house sitter. You must be a trusted person, so that the home owner knows you will not steal anything. You must be able to go when the house owner wants you to go, so you need lots of free time. _______________ You need to be good with pets, able to care for cats and dogs, or other pets they may have.
Some house sitting jobs are just for a few days or a couple of weeks while the house owner have a short holiday. Sometimes it is for much longer. We have had one house sit for six months, while the home owner travelled to Europe._______________ Then you can travel to many different countries and stay there. One of the important things to get are references from the home owners where you have stayed. A reference is a written letter to say that you are trustworthy and have looked after their home well.
You can show these letters to possible house sitting jobs and they know you will do a good job.
| A．I have done house sitting many times. |
| B．Thousands of people do this all the time. |
| C．It is also possible to do house sitting in other countries. |
| D．Generally you have many opportunities to get a house sitting job. |
E. You must take a little care over what your description says about you.
F. This is an international house sitting service for all city and country areas.
G. You must have a good car, so you can travel to different parts of the country.
根据短文内容，从短文后的选项中选出能填入空白处的最佳选项。选项中有两项为多余选项。
One of the best things you can possibly do is to start you own club. It’s great fun especially if you are the sort of person who feels there’s never anything to do during the school holidays.
The first thing you need to come up with is an idea for your club. Pets, clothes, pop music or dancing groups, sports, making things? The list is endless.
Next you need some friends to be in your club with you. All you need is three or four other people who are interested in the same thing as you.
You should all sit down somewhere together with lots of pieces of paper and write down every name you can think up. That’ll keep you busy for ages.
At your first meeting you should make up a rule book. And the first rule should be no grown-ups or little/big brothers or sisters! The best clubs are always secret!
Now you have just about everything you need, except membership cards. These are very important and again you can speed a lot of time making them. Why not leave some space for a photo of yourself? That will make the membership card really look like it.
So there you are, get clubbing! Once you get started you’ll think of loads of more interesting things to do!
| A．That’s easy. |
| B．Enjoy your own club! |
| C．Invite a designer to join you. |
| D．What are you interest in? |
E. Summer vacation is just around the corner.
F. Then you need to pick a name for your club.
G. Use a bright thick pen to make a special design.
根据短文内容, 从短文后的选项中选出能填入空白处的最佳选项. 选项中有两项是多余选项.
In high school, it’s important to stay healthy. How can you study well if you’re sick? So you should pay attention to your health in order to study well in high school. In order to enjoy good health, you should have some good habits. Here are some tips for you.
Drink water regularly every day. Some students don’t like drinking water. They only drink water when they’re extremely thirsty. You should drink water regularly so that your body and brain can function well. Avoid sports drinks and soda when you’re thirsty. They are not good for your health.
Some students don’t eat three meals a day. No matter what happens, you shouldn’t skip(跳跃) any meal of the day. Eating regularly helps keep your metabolism(新陈代谢) high and keeps your energy up. It’s especially important to eat a good breakfast every day with protein, carbohydrates(碳水消化合物), and fiber to set up your body for the day of activity. If you don’t eat, how can you stay focused in class?
Eat the right foods. Some students eat whatever they can get. This is wrong. Choose whole grains like rice and whole wheat flours. Skip muffins, donuts, and other processed foods. Instead, choose whole grains, protein, fruits and vegetables.
If you do that, you can get distracted（分散）. Therefore, you may not pay attention to how much you are eating. You may eat too much. Eating too much harms your health. And you may gain too much weight because of it. Try to eat slowly so your brain sends the right signals to tell your stomach that it’s full.
| A．Don’t skip meals. |
| B．This is bad for your health. |
| C．Eat a good breakfast every day. |
| D．Avoid eating too much at one time. |
E. Don’t watch TV or movies when you eat.
F. If you are unhealthy, you may fall ill easily.
G. You should eat the foods that are good for your body.
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