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【简答题】
一、根据句意和汉语提示补全单词 1. —Sam always gets up ______ ( 早地;提早 ) on weekdays. —He is really a good child. 2. —Do you often go to school on foot? —Yes, I always ______ ( 步行 ) to school. 3. —Does she go home by bike? —No, she can’t ______ ( 骑 ) a bike. 4. The cat likes to ______ ( 捉住 ) the mouse. 5.Jane ________ ( 从不 ) goes to school late. 二、单项选择。 1. —____ do you usually go to bed? —I often go to bed at nine o’clock. A. What B. What time C. How D. Where 2. The poor( 贫穷的 ) man never drives to work. He always ____ to work. A. drives B. walks C. comes D. goes 3. He is a good boy. He usually does his homework on ____. A. weekdays B. today C. tomorrow D. school 4. —Are you often late for school? —No, ____. I always get to school early. A. always B. usually C. never D. very often 5. It’s time breakfast. A. to have B. have C. having D. has 三 . 把下列句型变为同义句型。 1. Wu Hong usually walks to school. Wu Hong usually ______ to school ______ ______. 2. I sometimes play computer games at home. ______ ______ play computer games at home. 3. Mike often rides a bike to school. Mike often ______ to school ______ bike. 4. Those students usually go to the zoo by bus. Those students usually ______ ______ ______ to the zoo. 5. Maria sometimes goes home by subway. Maria sometimes ______ ______ ______ home. 四 . 根据情境,在空格处填入适当的单词,使对话完整通顺。 A: David, what time do you u________ (1) get up on weekdays? B: I a________ (2) get up at about six thirty. A: Oh, so early! I s________ (3) get up at half past six. I o________ (4) get up at 7:20. B: I think you must get up early and you can read English words in the morning. A: Thank you a lot. H________ (5) do you usually go to school? B: By bike. But s________ (6) I take a bus to school. What about you, Lucy? A: I n________ (7) go to school on foot. I always take a bus to school.
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【判断题】按营改增后的增值税政策规定,仅有出口货物适用零税率。( )
A.
正确
B.
错误
【多选题】在成本分析中,主要是区分总成本、平均成本和边际成本,明确他们之间的关系,同时还要分清短期成本和长期成本的关系。那么,长期成本分析包括( )。
A.
长期总成本
B.
平均固定成本
C.
长期平均成本
D.
长期边际成本
E.
长期流动成本
【单选题】通信系统的主要性能指标是
A.
适应性和经济性
B.
标准性和可维护性
C.
有效性和可靠性
D.
标准性和可用性
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【单选题】( )是长期生产一定量产品所需要的成本总和。
A.
长期总成本
B.
长期平均成本
C.
长期边际成本
D.
长期平均边际成本
【多选题】宏观调控行为有以下特性
A.
宏观调控行为是对市场的宏观调控行为
B.
宏观调控行为是宏观领域的调控行为
C.
宏观调控行为是有限调控行为
D.
宏观调控行为只能是法律调控行为
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A.
本身的故障
B.
线路的故障
C.
偶发故障
D.
静态故障
【单选题】The primary source of funds of fire and casualty insurance companies includes______.
A.
savings deposits
B.
premiums from policies
C.
commercial paper, stocks and bonds
D.
all of the above
【简答题】已知某厂商的长期生产函数为Q=aA 0.5 B 0.5 C 0.25 ,Q为每月产量,A、B与C为每月投入的三种生产要素;三种生产要素的价格分别为P A =1元,P B =9元,P C =8元。 (1)推导出厂商长期总成本函数、长期平均成本函数和长期边际成本函数。 (2)在短期内,C为固定生产要素,A与B是可变要素,推导出厂商的短期总成本函数、短期平均成本函数、短期平均可变成本函数和短期边际成...
【单选题】通信系统的主要性能指标是
A.
有效性
B.
可靠性
C.
经济型
D.
A 、B、C均是
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