题目内容

Travel and __ were changed when the steamship was invented.

A. transportation
B. tradidon
C. transmission
D. transformation

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人口环境与养老保险的关系主要包括( )。①人口环境影响养老基金的资金来源 ②人口环境影响养老基金的支出③劳动参与率作为人口环境中间变量发挥作用④劳动参与率越高,在参保率不变或者提高的情况下,对养老保险基金贡献者的数量也就越大

A. ①②③
B. ②③④
C. ②④
D. ①②③④

2002年3月25日,我国研制的“神舟”三号飞船在酒泉卫星发射中心发射升空,进入预定轨道,并于4月1日圆满返回。这次成功发射( )。①是我国航天事业发展史上一座新的里程碑②实现了我国载人飞行的宏伟计划③充分体现了中华民族自强不息的精神④充分反映了社会主义制度集中力量办大事的优越性⑤激发了全国各族人民的自豪感和凝聚力

A. ①③④⑤
B. ①②③
C. ②③④
D. ①②⑤

Mr. Smith finally lost his __ and fouled Lincoln by grinding his foot with a boot heel.

A. mind
B. temper
C. mood
D. passion

By November 1973 oil supplies were critically low, creating the most __shortages of energy since World War II,

A. rigid
B. acute
C. dense
D. urgent

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