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【单选题】
影响汇率变动的长期因素是(   )。
A.
国际收支
B.
经济增长
C.
货币政策
D.
预期因素
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【单选题】There are three major types of airports: military airports, ------- aviation airports, and commercial airports.
A.
common
B.
general
C.
ordinary
D.
important
【单选题】关于泵的下列说法中准确的是____。
A.
泵的有效功率即泵传递给液体的功率
B.
泵的总功率是容积效率、水力效率、机械效率之和
C.
泵允许吸上真空度和必需汽蚀余量都可由同样的汽蚀实验求出
D.
泵的允许吸上真空度标示泵的自吸能力
【单选题】Army ______ may include military bases, airports and even hospitals.
A.
machines
B.
instruments
C.
equipment
D.
facilities
【简答题】选择句子补全对话。 A. Yes! B. The keys? They're on the table. C. No, they aren't. D. How about my books? E. It's under the sofa. A: Hey, Susan! B: 1 . A: Is my computer on the table? B: No, it isn't. It's...
【简答题】在原始凭证上书写阿拉伯数字,错误的做法是( )。
【单选题】关于泵的下列说法中准确的是____。
A.
泵的有效功率即泵传递给液体的功率
B.
泵的总功率是容积效率、水力效率、机械效率之和
C.
泵允许吸上真空度和必需汽蚀余量都可有同样的汽蚀实验求出
D.
泵的允许吸上真空度标示泵的自吸能力
【简答题】Conversntion 1. Who used the car this moring? A. The son B. The aunt C. The mother 2.Where are the keys found? A. In the purse B. In the pocket C. In the drawer
【简答题】比较下列聚合物玻璃化温度的大小:聚氯乙烯、聚异丁烯、聚偏二氯乙烯、聚碳酸酯?
【单选题】在原始凭证上书写阿拉伯数字 错误的做法是()
A.
金额数字前书写货币币种符号
B.
币种符号与金额数字之间要留有空白
C.
币种符号与金额数字之间不得留有空白
D.
数字前写有币种符号的 数字后不再写货币单位
【简答题】A. He was not interested in political reform. B. He had an unusual military career. C. He had no political experience. D. He expressed many controversial ideas.
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