单项选择题

The technology has several advantages earlier attempts to engineer meat in vitro .
A、in comparison of
B、in comparison to
C、compare with

A.A、in
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单项选择题
They should never try to pursue profit health and life of peoplE.A、in terms ofB、at sight ofC、at the expense of
A.A、in
单项选择题
— Space travel must be very very expensivE.— . The cost of a seat on the Virgin craft is $ 250,000.A、That’s not truE.B、Of coursE.C、Why do you think so?
A.—
B.
A、That’s
C.
B、Of
D.
C、Why
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