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【单选题】第二篇 Sleep We all know that the normal human daily cycle of activity is of some 7 - 8 hours’ sleep alternating with some 16 - 17 hours’ wakefulness and that, broadly speaking, the sleep n...
A.
people hate the inconvenience of working on night shifts.
B.
your life is disturbed by changing from day to night routines and back.
C.
not all industries work at the same hours.
D.
it is difficult to find a corps of good night workers.
【单选题】下列诗句，与中国和西域的物质文明交流无关的一组是（）。
A.
沧海月明珠有泪，蓝田日暖玉生烟
B.
兰陵美酒郁金香，玉碗盛来琥珀光
C.
年年战骨埋荒外，空见葡萄入汉家
D.
汉家天马出蒲梢，苜蓿榴花遍城郊
【单选题】班超出使西域与张骞出使西域所起作用的不同之处是（）
A.
促进西域同内地的经济文化交流
B.
直接帮助西域各民族摆脱匈奴的控制
C.
促进中国同西亚、欧洲的友好往来
D.
为统一的多民族国家作出了贡献