The experiment has__________the possibility of the existence of any life on that planet, but it does not mean there is no life o

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问题 The experiment has__________the possibility of the existence of any life on that planet, but it does not mean there is no life on other planets.

选项 A、found out
B、pointed out
C、ruled out
D、carried out

答案C

解析 句意:试验排除了那个星球有生命存在的可能性,但是这并不意味着其他星球上就没有生命存在。本题考查动词短语。find out查明;point out指出;rule out排除;carry out贯彻,执行。
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