题目内容

Fill in the blanks with the words you hear in the recording.[音频]Mr. Daws: Did I ever tell you I was 1____________ by lightning seven times?Once when I was repairing a leak on the roof.Mr. Daws: Once I was just crossing the road to get the mail.Mr. Daws: Once, I was walking my dog down the road.Mr. Daws: Blinded in one eye; can't hardly hear. I get twitches and 2.____________ out of nowhere; always losing my 3.______________ of thought. But you know what? God keeps 4.___________ me I'm lucky to be alive.Mr. Daws: Storm's comin'.

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如果需求的交叉弹性值为2,则表明两种商品间的关系为( )。

A. 替代品
B. 互补品
C. 独立品
D. 难以确定

下列选项中,影响供给价格弹性的因素是( )。

A. 生产周期
B. 生产技术难度
C. 生产规模
D. 资源约束

均衡价格不是最高的市场价格,也不是最低的市场价格。

A. 对
B. 错

在大气层中,通常绝对湿度随高度的增加而_____

A. 迅速减小
B. 基本不变
C. 迅速增加
D. 缓慢增加

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