作业帮It has revealed that the vitamin D __ slowing down the aging
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It has revealed that the vitamin D __ slowing down the aging process.到底选什么呢?
A.plays an important effect in
B.plays a key role in
C.takes an important part in
我觉得B和C意思差不多吧?
A.plays an important effect in
B.plays a key role in
C.takes an important part in
我觉得B和C意思差不多吧?
B,上面的解释都很对,
play a part (in) 是 在……中起作用,参与；
play a role in 是在某方面起作用,在……中扮演一个角色,在……中起作用；
而 take part是指参加活动,而不是参与 作用
如果要修改的话应该是
A.has (takes) an important effect in
C.plays an important part in
这样3个选项就都对了.
play a part (in) 是 在……中起作用,参与；
play a role in 是在某方面起作用,在……中扮演一个角色,在……中起作用；
而 take part是指参加活动,而不是参与 作用
如果要修改的话应该是
A.has (takes) an important effect in
C.plays an important part in
这样3个选项就都对了.
It has revealed that the vitamin D __ slowing down the aging
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