题目内容

At a rough ________, our staff is recycling a quarter of the paper used.

A. estimate
B. estimation
C. estimating
D. guesswork

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Mrs. Vincent was prudence __________.

A. itself
B. herself
C. by herself
D. of herself

The position of patient service representative requires a wide range of _____, including computer proficiency, multi-tasking, and the ability to work independently.

A. skills
B. crafts
C. arts
D. talents

She puts on a disguise, _______ a different persona, and cruises the squalid bars on the bad side of town.

A. assumes
B. presupposes
C. posits
D. presumes

The _____ of the universe have always fascinated people and driven their curiosity about the unknown.

A. mysteries
B. enigmas
C. riddles
D. puzzles

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