Lost Underground is a story about school children who went on a trip to some caves. These caves were very large and people could go into them only with a guide. However, four children decided to explore on their own. They went in the caves with a group, but left the group and walked down a tunnel. They thought it would be fun to explore the caves alone.

Soon they came to a hole in the wall. They climbed through the hole into another part of the cave. Then they decided to turn back, but they could not remember the way. They were lost in the caves. When the guide led the other children out of the caves, he counted them. He discovered that there were four children missing. He had to go back into the caves to try to find the missing children.

The children who were lost moved deeper and deeper into the caves. The deeper they went, the more lost they became. They were frightened. They started shouting for help, but the guide didn’t hear them. How dangerous they were!

Soon they came to an underground river. They guessed that the river must flow out of the caves. The water was very cold and deep, but the children kept on swimming. For a long time, they swam in darkness, then they saw light ahead of them. The river was flowing out of the caves into the bigger river and the children were able to leave the caves. They climbed out of the river on to the riverbank. They saw the bus with the other children in the distance.

1.Lost Underground is a story about school children who_______ .

A.got out of the underground B.got on well with each other

C.went out for an outing D.went on a trip to some caves

2.Four children left the group in the caves, because________.

A.they decided to turn back from the caves

B.they would like to explore the caves alone

C.they wanted to walk down a tunnel through a hole

D.they could not remember the way to the caves

3.When the guide led the other children out of the caves, __________ .

A.some people found that four children lost in the caves

B.some people knew that four children could go out of the caves

C.the guide discovered that four children were missing

D.the guide realized that a child could not find his way out

4.When four children moved deeper and deeper into the caves, __________ .

A.they could hear the guide speaking

B.they saw many big rivers and swam out

C.they were too brave to go out by themselves

D.they felt frightened and shouted for help

5.Which of the following is Not True?

A.The guide had to go back into the caves to find the children.

B.The guide tried his best and find the missing children.

C.The children decided to try to swim out of the caves.

D.The children climbed through the hole into another part of the cave.

6.From the passage we know that__________ .

A.four missing children were safe at last

B.it’s dangerous to go into the caves with a guide

C.the guide led four missing children out of the caves

D.someone carried the children out of the bigger river

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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