-Car prices have been going down sharply in the last 20 years.-It's not surprising because the law of market the price of a product.A．is controlling B．controlsC．has controlled D．controlled 题目和参考答案——青夏教育精英家教网—

题目内容

—Car prices have been going down sharply in the last 20 years.

—It's not surprising because the law of market ________ the price of a product.

A．is controlling B．controls

C．has controlled D．controlled

【解析】B　句意：“汽车的价格在过去的20年急剧下降。”“这一点也不奇怪，因为市场规律决定产品的价格。”“市场规律决定产品的价格”说的是一个客观事实，因此用一般现在时。

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