单项选择题

According to the author, languages whether "civilized or not" hate ______.

A．the same way to transfer ideas
B．the potential for increasing sound patterns
C．the potential for expanding vocabulary
D．the same grammatical structures

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热门试题

单项选择题

According to the author, the greatest mistake of our forefathers was that ______.

A．they had no idea of scientific forestry
B．they were not aware of the significance of nature study
C．they had little or no sense of environmental protection
D．they had no idea of how to make good use of raw materials

单项选择题

To avoid the mistakes of our forefathers, the author suggests that ______.

A．we plant more trees
B．we return to nature
C．natural sciences be taught to everybody
D．environmental education be directed to everyone