题目内容

He would make many melancholy reflections upon the _______ of human life, and the vanity of all the labors of man, which could thus be annihilated in a moment.

A. precariousness
B. precarious
C. hazardous
D. gregariousness

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As rising oil prices _______ a widespread inability to purchase, increasing oil prices will be retarded at lower levels.

A. get
B. beget
C. become
D. begetting

Ironically enough, the import of his burden is totally beyong the comprehension of all but little Joe, who perceives it ___________.

A. intuitively
B. instinct
C. instinctive
D. intuitionally

Smartphones powered Samsung Electionics Co. to ___________ quarterly earnings, but its shares fell Friday as lower-than-expected overall sales underlined the threat from Europe's economic malaise.

A. record
B. recorded
C. recording
D. recordable

When backpackers first hit the _______ in the 1970s, they were seen as an antidote to sterile package tours, a return to travel independently as exploration and adventure.

A. rock
B. road
C. store
D. mountain

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