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问题 单项选择题

APC的组成是下列哪一种

A．阿司匹林+非那西丁+咖啡因
B．阿司匹林+苯巴比妥+咖啡因
C．阿司匹林+氨基比林+咖啡因
D．阿司匹林+非那西丁+可待因
E．阿托品+非那西丁+可待因

答案

参考答案：A

解析：APC是由阿司匹林(Aspirin)、非那西丁(phenacetin)及咖啡因 (caffeine)三药按一定比例制成的复方制剂。

句型转换

句式转换。

1. The water is too deep. I couldn't see its bottom. (用hardly改为同义句 )  

    The water is too deep. I________ ________ see its bottom.

2. I can't go to play football with you. I'm afraid. (合为一个句子) 

    I'm afraid________ _______ ________go to play football with you.

3.When had you bought a new cell phone? She didn't know. (合为一个句子)

    She didn't know________ ________ ________ _________a new cell phone.

4. Do you like to watch the horror movies?  She asked me.(合为一个句子)

    She asked me______ _______ _______to watch the horror movies.

5. I believe that Class Two can't win the race. (改为肯定句)

    I believe that Class Two________ ________the race.
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单项选择题 案例分析题

图9为一草原生态系统能量流动模式图。请分析回答：

（说明：L代表照射到绿色植物叶片上的太阳总辐射，R代表呼吸量，NU代表未利用量，FU代表粪尿量）

L2进入植物体后，大部分转变成热能而散失了，对陆生植物来说，这主要是通过（）完成的。

（A）光合作用

（B）呼吸作用

（C）蒸腾作用

（D）渗透作用
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