赞题库-背景图

单项选择题

The word "enervated" in the first paragraph probably means ______.

A．weakened.
B．demolished.
C．vitalized.
D．enlivened.

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热门试题

单项选择题The expression bracing themselves for the worst in the second paragraph probably means ______.

A．sneering at the impending difficulties
B．cheering themselves up for the worst situation.
C．preparing themselves for the worst situation.
D．having a total disregard for the coming difficulties.

单项选择题All of the following statements are true of climate scientists EXCEPT ______.

A．they are all clued up about climate.
B．they don't know much about climate.
C．they are probing into the field of climate.
D．they are uncertain of climatic phenomena.