超星 - Unit 7 Text - 查题吧

单选题

Experts have failed to _____ an explanation for the accident.

A. come up with
B. end up with
C. go along with
D. break up with

单选题

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

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

单选题

Mrs. Vincent was prudence __________.

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

单选题

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

单选题

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

单选题

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

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

单选题

She sat in an armchair, totally _____ in a book.

A. absorbed
B. absorbing
C. assimilated
D. assimilating

单选题

If anyone can make this company succeed, it is Kathy — she is a ______.

A. smart cookie
B. smart drug
C. smart alec
D. smart mouth

单选题

The United States of America ______ 50 states.

A. comprises
B. includes
C. contains
D. involves

单选题

A story has a ______ and an end.

A. beginning
B. start
C. origin
D. source

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