婴幼儿和青少年的蛋白质代谢状况应维持（）。 A.零氮平衡 B.正

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问题单项选择题

婴幼儿和青少年的蛋白质代谢状况应维持（）。

A.零氮平衡

B.正氮平衡

C.负氮平衡

D.排出足够的尿素氮

答案

参考答案：B

填空题

根据下列句子及所给汉语注释，写出空缺处各单词的正确形式。（每空只写一词）

1. Don't refer to a ______ (词典) every time you come across a new word.

2. She asked us to give her an ______ (立刻的) answer.

3. ______ (比较) to our small flat, Bill's house seemed like a palace.

4. He got up early in order to catch an early ______ (航班).

5. The ______ (土豆)he picked out were weighed without short measure.

6. The flight was badly ______ (推迟) because of the heavy fog.

7. After a good rest, her health is _______ (渐渐地) picking up.

8. It happened in ______ (七月) when the weather was very hot.

9. Do you think everyone in western countries ______ (相信) in God?

10. The outing was well ______ (组织) and everyone felt excited.

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完形填空

I am waiting for the bus when I meet the old woman. “You look       . Come and sit here,” she says. “      are you going?”
“I don’t know. I just want to catch a       and see what it will be like at the end.”
“I’m afraid you’ll see      there. Why don’t you enjoy the beautiful sights (风景)on the way? ”
“How can I do that when my heart(心) is      ?” I asks sadly. My best friend left（离开）me.
The woman seems to （似乎）understand my feeling. “Don’t cry, little girl. I had the same experience(经历) as you before . Thirty-five     ago, my husband left our three children and me. I was very sad. I wanted to kill （杀死）myself and the children, so I took        to the sea.        ，they seemed to know what would happen, so they       loudly. Their cry suddenly woke me up (叫醒) . How could I        my hope to live for one of life’s problems? After that, I worked hard to__ ___the children. Now they all live        and one of them has his own family. ”
Then the woman gives me a      , “We should never wait for the door to          before us. We should find the key to the      or try to find another way .”
The bus comes and I get on it with a smile.

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