People’s working efficiency usually decreases more or less when the temperature _________ 35℃ or even higher. 
A．a(chǎn)pproachesB．raisesC．drawsD．drops
B
考查動(dòng)詞辨析: A. approaches靠近，B.raises上升，C.draws 拉，吸引，D.drops下降，句意是：當(dāng)溫度上升35度或更高時(shí)，人們的工作效率會(huì)或多或少的減少。選B。
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