Scientists Without Laboratories
When you hear the word“scientist”．what do you think of？Many people think scientists are people in clean white coats who work in labs．And some scientists do work in labs．But there are________scientists who work in woods and jungles．These scientists are called“animal behavior(行为)scientists”，and they study animals as they live in nature．
Why don’t these scientists catch animals and study them in zoos？The________is in the word“behavior”．Animal behavior scientists want to learn________animals behave in their wild homes．When animals live in cages(笼子)or in zoos，they do not act the same as they do when they are________．They may fight________each other，or they may not eat，or they may not raise(抚养)their babies as they usually would．To see real animal behavior，scientists must go where the animals_______．
So animal behavior scientists go into the jungles，the woods or the desert．There，their most important________are their eyes and ears．They watch and listen to the animals very________．They write down everything that happened in notebooks．________they live near the animals，the scientists are careful not to frighten them．If the scientists are lucky，the animals will______no attention to them．Then the scientists can see how the animals really live．
The animal behavior scientists hope what they’ve learned about animal behavior can provide clues(提供线索)to help people learn to live together more happily．
A．another B．other C．others D．the other
A．answer B．question C．problem D．text
A．when B．where C．how D．why
A．happy B．free C．sad D．angry
A．of B．among C．for D．with
A．live B．run C．play D．eat
A．machines B．tools C．thoughts D．ways
A．truly B．carefully C．wonderfully D．nicely
A．But B．Unless C．Though D．As if
A．pay B．spend C．take D．cost
The weather is closely related(联系) to our life. It is all around us all the time. It is an important part of our lives. We cannot control it, but it often controls how and we live, what we do, what we wear and what we eat. Read this passage and learn about the weather.
What is the weather?
The weather is just the state of the atmosphere any time, such as temperature, wind, ,sun, etc.
What makes the weather change?
As we know, not every place on the earth gets the same amount of sunlight. Some places get sunlight, so it’s warmer in those places. However, some places get little no sunlight in winter. Then those places have colder temperatures. These differences in temperature make the air and water around the earth. The movement helps to take the heat energy from the sun across the earth. So the changes.
What’s the difference between weather and climate?
Climate is a place’s weather over a long time. The weather changes from day to day and from hour to hour. It can be sunny in the morning and cold and wet in the afternoon. But the climate changes very over lots of years.
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完型填空（共10小题；每小题1分，满分10分）
John is a famous writer now. But he says he was not a ______ student when he was young. He is often late for ___ _ and doesn't like doing his homework. Sometimes, he sleeps in class while the teacher is teaching. He doesn't understand much, ______ he always thinks he understands(懂得) everything. One day the teacher ___ _ the students a question, “When Jack is ten years old, _____ _ brother Bob is twenty, Jack is fifteen now and_ ____ is his brother Bob?” John says, “That's easy. Bob is twice as old as Jack, so he is now thirty.”
Another time, the __ ____ in a science class asks, “When it thunders(打雷), ____ __ do we always see the light before we ___ __ the sound?”
“But, Miss,”says John quickly, “don't you _____ _ our eyes are in front of our ears?”
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完形填空（共10小题；每小题1分，满分10分）
A group of frogs travel through the forest, and two of them fall into a pit(深坑) . The pit is very and the two frogs try to of it. But the other frogs tell them to stop because they think that they can not get out. After several , one of the two frogs stops.
However, the other frog jumping. The other frogs shout at him to stop. But he jumps and does it! he gets out, the other frogs find that he is deaf(耳聋的). He thinks they are him to jump.
Everyone meets in life. Some give up while some choose to beat(打败) it. Which frog do you want to be?
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In America, the school day usually starts at 9a.m. and finishes at about 4 p.m. The school subjects different from ours. In China, we always _____ Chinese, math, English, P.E. and so on. But in America , students have more _____ , such as cooking and driving lessons. Their life isn’t just _____ study . They have _____ things to do than the Chinese students do . There are many clubs in American schools, too. If the students are _____ in sports , they can join different sports clubs . American students also have art clubs ,language clubs and some _____ clubs. From 2:30 p.m. to 4 p.m. , they do _____ things in different clubs.
Maybe you think English is very popular in the world, so American students don’t need to learn any other language _____ that’s not true. American kids from the age of seven ____ learn a foreign language. For example ,they learn French or Chinese.
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Charlie came from a poor village. His parents had money to send him to school when he was young. The boy was very sad. Mr. King lived next to them. He found the boy and had pity on him and lent some money to him. So the boy could go to school. He studied hard and all his lessons. When he finished middle school, the man introduced him to his friend in the town. And the boy began to work. Once, Mr. King was seriously hurt in an accident. Dying, he asked Charlie to take care of his daughter, Sharon. The young man ______and several years later he married the girl. He loved her very much and tried his best to make her happy. He often bought beautiful clothes and delicious food for her. He was good at cooking and she ate ，and when she had a baby, she became so fat that she felt it difficult to walk. And one day she found there was something wrong with her heart. Her husband wasn't at home and she had to go to at once. The doctor looked her over and told her eat meat, sugar, chocolate and things like these. She was afraid the doctor's words and wrote all the names of the food on the paper. When she got home, she put the list on the table and .When she returned home that afternoon, she found many kinds of food－meat, sugar and chocolate in the kitchen. Charlie was busy _____them. As soon as he saw her, he said happily, “I've bought all the food you like, dear!”
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