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【单选题】
疲劳,劳累A.
weird
B.
labour
C.
fatigue
D.
haste
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举一反三
【简答题】Higher wages enabled many people to _________.
【单选题】Improvements in labor productivity 【C1】______ increase wages and salaries. Wages and salaries 【C2】______ about 75 percent of all income in the United States. 【C3】______, labor productivity is the majo...
A.
unavoidably
B.
highly
C.
ultimately
D.
actually
【单选题】The gap between those at the lowest level and those at the highest level of income had increased, and is continuing to increase.
A.
substantially
B.
successfully
C.
succinctly
D.
sufficiently
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