They’re doing some very innovative work in solar energy.“innovative” here means something out of date.

Although TCP segments differ from UDP segments, they both contain some common fields. What two segments do they share in common?（）

____ accidents do occur, though they are not very serious.

Americans do not expect to gain and lose friendships naturally as their life changes. For example, they may have a group of close friends in high school that they will remain very close to for the rest of their lives.

Some of the notebooks George Washington kept as a young man are still in existence. They show that he was learning Latin, was very interested in the basics of good behaviour in society, and was reading English literature.

Some people would like to do shopping on Sundays since they expect to______wonderful bargains in the market.

You really have to get very old before you realize you're old. I'm in my middle fifties and l don't feel【21】yet. However, sometimes I look back at my childhood and【22】things to the way life is for【23】kids, some things have certainly changed.

Tropical insects do very well in a narrow band of temperatures, but move them above that_____and they die

In some cultures, when people invite friends for dinner, they usually express with verbal humility sucdh as "It’s not very tasty" and "It’s nothing special." The hostess who apologizes to her guests t

听力原文：If you're good at managing your own time and energy, it is very likely that you can do well both in your schoolwork and for your career.

Some people seem to let their kids do______they like.

At present some people claim that we should not believe journalists because what they say in their report might not be true. Do you agree or disagree with this viewpoint？ Write an essay of about 400 words on the following topic:

Jimmy: I think honeybees are very useful insects. They make honey for us. Amy: ______ They also help the flowers grow into a fruit. Jimmy: But I don't like termites. I think they're disgusting. Amy: ______ They're actually a very good source of food. People in some countries eat them. Jimmy: Really？ I didn't know that.

听力原文：Watches, which ore really small clocks, were first made during the sixteenth century. The earliest watches were made of heavy iron, and people wore them hanging from their belts. Little by little, watches were made smaller so that they could be carried more easily. The invention of the machinery for the mass production of these parts of clocks and watches was an important step in making clocks and watches available to the general public. In some watches, small pieces of precious stones, such as rubies or sapphires, are used at the points on which the wheels mm. Since these stones are very hard, they do not wear down very easily under the friction of the moving wheels. Thus a watch utilizing such stones will keep accurate time over a much longer period than other watches.

I personally am offended by what they have tried to do in a very misleading way with, what I've said about two of my personal______, President Kennedy and Dr. Martin Luther King Jr..

People tend to amass possessions. Indeed they can have a delightful surprise when they find something useful which they did not know they owned. Some people leave unwanted objects in drawers, cupboards and attics for years, in the belief that they may one day need just those very things. Collecting as a serious hobby is quite different. It provides relaxation for leisure hours, because just looking at one s treasures is always a joy. One does not have to go out for amusement, since the collection is housed at home. Whatever it consists of, stamps, first editions of books, antique furniture, stuffed birds, toy animals, there is always something to do in connection with it, from finding the right place for the latest addition to verifying facts in reference books. This hobby educates one not only in the chosen subject, but also in general matters which have some bearing on it.

听力原文：Certainly I can give you some example. Factory farming is very bad for the environment, but it makes factory farming companies very high profits; companies aren’t concerned about the destruction of the rain forest and they are often not concerned about the conditions their workers work in.

There are some risks in multilateral trad，They mainly include economic risk and political risks. Economic risk do not include the risk of ().

Work is a very important part of life in the United States. Americans spend most of their lives working. For most Americans, their work defines them. They are what they do. What happensd, then, when a person can no longer work？

A根据下面短文回答下列问题。One evening Mrs. Evans asked her husband to take her to a very expensive restaurant in the city because some film stars (影星) and famous people were there sometimes. She wanted to see these people.Soon after they had ordered their meal (点餐), a very attractive (引人注目) man and a woman came into the restaurant and sat down at a table nearby. They were having beautiful clothes, and Mrs. Evans said to her husband, "Look at them, Mike. I’m sure I’ve seen their pictures in a magazine (杂志)"Later, Mrs. Evans asked the waiter (服务员), "Who are they""Oh, they aren’t famous." The waiter answered."Really How do you know that" Mrs. Evans said in surprise."Because they asked me who you were," the waiter answered.The waiter told Mrs. Evans they were not famous because he knew them before.

"Delegate" means to “ Give a job to sb so that they do it for you”,In other words, means"They get other people to do some part of their work."（）

cars moved very slowly in the 1920,s ,but they ——move more quickly than in 1910 横线处填：did do actually automatically?

And how’s your family doing with you on the road？ They’re very 14)_____________. The last thing I told my wife was I’m not coming home until it’s over, because I do have small child at home. I have a

—Won’t people work in the future —__________. Robots will only do some of the work for people.Yes,—Won’t people work in the future —__________. Robots will only do some of the work for people.Yes, they will B．Yes, they won’t C．No, they will D．No, they won’t

_______are fast-moving and exciting. Often they’re very violent.