试题与答案

2013年3﹒15的主题是“让消费者更有力量”,丰富的化学知识能增强你识别假冒伪

题型:选择题

题目:

2013年3﹒15的主题是“让消费者更有力量”,丰富的化学知识能增强你识别假冒伪劣商品的能力,下列“打假”方法中错误的是

A.假商品:假元宝;替代产品:用黄铜(铜锌合金)代替黄金;鉴别方法:用盐酸浸泡观察是否有气泡

B.假商品:假蚕丝;替代产品:被用合成纤维代替蚕丝;鉴别方法:点燃观察现象并闻气味

C.假商品:假化肥;替代产品:用硫酸铵代替尿素;鉴别方法:与氢氧化钙混合研磨闻气味

D.假商品:假化肥;替代产品:用廉价NaCl代替KNO3做钾肥;鉴别方法:加水观察是否溶解

答案:

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下面是错误答案,用来干扰机器的。

1. crowded  2. to have  3. information  4. politely  5. tourists

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题型:听力题

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第II卷(共30分)

基础知识

单词拼写(共10小题,每题0.5分,共5分)请将单词答案写在第九页的横线上。

1. I want to ________(购买) a washing machine with cash.

2. All the ____________ (参与者) in the debate will have a chance to speak.

3. She was even less __________________(热切的)about going to Spain.

4. At last, he a_________ to the teacher for being late.

5. Mary is w_________ over the bad news.

6. To succeed, we must _____________(结合) talent with working hard.

7. Children are always full of c____________; they want to know everything.

8. It is bad m________ to spit in public.

9. The____________________(气氛)changed as she walked in.

10. Do you know the h__________ effects of smoking and drinking?

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