题目内容

Icebergs are parts of glaciers that break off, ________ into water, foat about awhile, and finally melt.

A. mobile
B. drift
C. shift
D. rotate

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Streams of fire ran down the hills, and at length a _________ arose so loftily that it touched the skies.

A. fire
B. spark
C. glow
D. blaze

In the Persian Gulf area, oil is found in ______and its production has been able to keep up with world demand.

A. elaboration
B. abundance
C. elegance
D. efficiency

Immigration poses two main challenges for the rich world's governments. One is how to manage the inflow of ______; the other, how to integrate those who are already there.

A. migrants
B. transformers
C. immigrants
D. emigrants

They built the motel on the edge of a _______ village, which attracted lots of visitors from different parts of the country.

A. detained
B. detected
C. deserted
D. distracted

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