Choose the words or expressions and complete the passage.

Many people keep cats in their homes because they make clean and quiet pets. Being playful, cats also make cheerful and lovable friends._______ also like to keep cats because they perform an important job. They drive rats and mice away from the fields and barns.

Graceful and quick, cats have excellent control over their bodies. They have more than 500 muscles(肌肉), which they control _______. They run quickly, make powerful leaps and balance themselves easily. They like to sit in high places and watch the world go by. Unlike dogs, cats never obey(遵守)orders. They seldom learn to do _______.

When faced with enemies, cats use their sharp claws to protect themselves. They hiss and growl. They may also ruffle up(竖起) all the hair on their bodies. They do this to make themselves appear _______. During Halloween, we often see pictures of cats with their backs arched and their tails straight up in the air. That is how cats stand when they are _______.

Cats have interesting eyes, which very sensitive to light. Sometimes the pupil, or the dark center of the eye, looks like a tiny slit(裂缝). At other times, it becomes big and round. This happens because the pupil gets smaller to shut out light, or gets larger to _______ more light. Although cats have good eyesight, they cannot see in complete darkness.

1.A.Teachers B.Vets C.Shop assistants D.Farmers

2.A.with great care B.without any difficulty C.at a time D.in many ways

3.A.tricks B.housework C.repairs D.research

4.A.smaller B.smarter C.thinner D.bigger

5.A.pleased B.pleasant C.frightened D.surprised

6.A.get rid of B.turn off C.let in D.pick up

Choose the words or expressions and complete the passage. (选择最恰当的单词或词组完成短文)

Blog?The Most Useful Inventions

The Invention Blog: A Place for People to Share Opinions

Today's question is:

What do you think is the most useful invention of all time?

By Cindy Wu

There are many the train, the car, and the airplane the useful machines, but these are not my ____. For an everyday, useful invention, I vote for the air conditioner. I live in Taibei, and during the summer the temperature can be 39 degrees Celsius or more. It's so hot! I'm not joking when I said that, if there are no air conditioners, people here cannot work or study. A lot of people might also get sick____ cool air.

By Jorge

The most useful invention of all time is surely the Internet. We can now reach people and do business faster. I ___ a clothing store in Mexico City, and there's a lot of competition. I not only have a website as others, but also own a online store on Taobao.com. Now, people from all over the world can buy my clothing using the Internet. I can keep in touch with friends and family in Mexico and around the world using e mail. It's faster than____ mail, and it's cheaper than using the phone!

By Kazuo

I also think that the Internet is useful. But, in my opinion, there is an "invention" that is even more ____, and that's electricity. Of course, this is not a man﹣made invention, but people like Benjamin Franklin and Alessandro Volta learned how to use it. If there is no electricity, many of the world's greatest inventions would not ____.

1.A.choose B.choices C.thoughts D.think

2.A.with B.in C.without D.during

3.A.own B.owe C.design D.build

4.A.usually B.useless C.usual D.useful

5.A.importantly B.important C.efficient D.efficiently

6.A.job B.do C.use D.work

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