又来求助了……GWD-8-Q29&GWD-8-Q24 - ChaseDream

GWD-8-Q29:

Because of a similarity to dance, synchronized swimming—exhibition swimming in which the movements of one or more swimmers synchronize to a musical accompaniment—is sometimes called water ballet, especially in theatrical situations.

A.of one or more swimmers synchronize to
B.of one swimmer or more is synchronized with
C.of one or more swimmers are synchronized with
D.by one swimmer or more is synchronized to
E.by one or more swimmers synchronize to

我选的是C，答案是A。字典查出来的话synchronize to的用法是有的…不知道为什么A不对呢

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GWD-8-Q24:

A March 2000 Census Bureau survey showed that Mexico accounted for more than a quarter of all foreign-born residents of the United States, the largest share for any country to contribute since 1890, when about 30 percent of the country’s foreign-born population was from Germany.

A.the largest share for any country to contribute
B.the largest share that any country has contributed
C.which makes it the largest share for any country to contribute
D.having the largest share to be contributed by any country
E.having the largest share to have been contributed by any country

这道题选B不选A就是因为since么…我觉得A其实很好啊…