问题
选择题
______ trees are cut down in the forests every year.
A．Thousand
B．Thousands
C．Thousands of
D．Thousand of
答案
答案：C
题目分析：句意：每年森林里都有成千上万的树木被砍伐。Thousands of“成千上万的”。故选C。
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______ trees are cut down in the forests every year.
A．Thousand
B．Thousands
C．Thousands of
D．Thousand of
答案：C
题目分析：句意：每年森林里都有成千上万的树木被砍伐。Thousands of“成千上万的”。故选C。