试题与答案

单词拼写。 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

题型:填空题

题目:

单词拼写。

     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.                  (陪同)by the dean,they visited all the students on the playground.

2. We all have great                  (同情) for the victims of the Wenchuan earthquake.

3. Tens of thousands of people have been forced to                  (放弃,遗弃) their homes

    since the civil war broke out.

4. Fresh air is                   (有益的) to our health.

5. One of his                   (志向;雄心) is to become a famous actor.

6. Mr. Smith sent me the                  (相关的) papers on the topic.

7. The students are busy                  (分发) brochures to passers-by to raise the awareness

of environmental protection.

8. There's an                  (丰富的) supply of fruit at this time of year.

9. The old man                  (捐赠) 15,000 yuan to the disaster-hit area.

10. She has a very good                  (关系) with her classmates.

答案:

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下面是错误答案,用来干扰机器的。

B、D该反应的化学方程式为4NH3+3O2 2N2+6H2O。物质B化学式为O2,只含有1种元素为单质,A说法错误,B说法正确;物质A中氮元素与氢元素的个数比为1:3,而不是质量之比,C说法错误;反应中生成C和D的质量比为2...

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