单项选择题

The concern (has been) that the embryo bank (might be) exploited (by unscrupulous), or that conception might precede birth by nine or even ninety years, (rather than) by nine months.

A．has been
B．might be
C．by unscrupulous
D．rather than
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单项选择题
(In an effort to) produce the largest, fastest, most luxurious ship afloat, the British built the Titanic. It was so superior to (anything) (on the seas) that it (was dubbed) unsinkable .
A．In an effort to
B．anything
C．on the seas
D．was dubbed
单项选择题
Her own interests as a mother (brought into play) by her (concern over) the education and welfare of her children, the city (in which) they lived, (and such) municipal facilities as playgrounds, schools and parks.
A．brought into play
B．concern over
C．in which
D．and such
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