题目内容
【题目】The threats to the health of astronauts in space are very different from __________ on earth.
A. ones
B. that
C. it
D. those
【答案】D
【解析】句意:对宇航员健康的威胁,太空中与地球上大不相同。those指代前文中的可数名词复数threats。
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题目内容
【题目】The threats to the health of astronauts in space are very different from __________ on earth.
A. ones
B. that
C. it
D. those
【答案】D
【解析】句意:对宇航员健康的威胁,太空中与地球上大不相同。those指代前文中的可数名词复数threats。