单项选择题

We cannot help asking if sandstorm is a pure natural phenomenon over which we have no control.()

A．我们禁不住要问沙尘暴是否是一种纯自然现象，而我们对它无法控制。
B．如果沙尘暴是一种纯自然现象，我们不禁要问这个问题是否不能解决。
C．我们不禁要问沙尘暴是否是一种人类无法控制的纯粹的自然现象。
D．如果沙尘暴是一种纯自然现象，对于我们能否控制它我们也不知道。

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热门试题

单项选择题

Advertising can persuade the consumer to buy worthless products by().

A．stressing their high quality
B．convincing him of their low price
C．maintaining a balance between quality and price
D．appealing to his buying motives

单项选择题

The reason why-the bread advertisement is misleading is that().

A．thin slices of bread could contain more calories
B．the loaf was cut into regular slices
C．the bread was not genuine bread
D．the total number of calories in the loaf remained the same