题目内容

Once they had fame, fortune, secure futures; ______ is utter poverty.

A. Now that all is left
B. Now all which is left
C. Now all that is left
D. Now all what is left

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The ratio of the work done by the machine ______ the work done on it is called efficiency of the machine.

A. against
B. to
C. with
D. for

The sheer diversity of tropical plants represents a seemingly ______ source of raw materials, of which only a few have been utilized.

A. exploited
B. quantifiable
C. inexhaustible
D. remarkable

Texas, the second largest state of America, is ______ in natural resources.

A. wealthy
B. scattered
C. abundant
D. deposited

Have you anything to say ______ the proposal of taking immediate actions

A. with regard to
B. on behalf of
C. in contrast to
D. for the purpose of

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