单项选择题

Increase in the temperature of tropical soil ______.

A．might cause the overflow of flood
B．may lead to the loss of organic nitrogen in it
C．will produce a great deal of organic nitrogen
D．is harmless to the growth of rain forests

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热门试题

单项选择题

From this passage we can infer that the author's attitude toward the theory of some geologists (Line 3, Para. 1) is ______.

A．approval
B．disapproval
C．indifference
D．displeasure

单项选择题

According to the second paragraph, the formation of the Atlantic Ocean is the example of ______.

A．spreading contacts
B．the influence of volcanic eruptions
C．converging contacts
D．transform contacts