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【单选题】
Section B Directions: This section is to test your ability to understand short conversations. There are 2 recorded conversations in it. After each conversation, there are some recorded questions. The conversations and the questions will be spoken only once. When you hear a question, you should choose the correct answer from the 4 choices marked A, B, C, and D. 听力原文:M: Is this blue too bright for me? W: Mmm-hmm. It is a very bright blue. Try this. It's size ten. M: But 1 wear size eleven. W: How about black? It's size eleven. M: Let me try it on. I'm taking too much of your time. W: It's seven o'clock. Where's my friend Jack? I was expecting him here at six forty-five. M: Don't worry. The traffic is very heavy at this hour. W: I know. But we're going to be late for tonight's party. M: I'll take this black sweater. I like the color on me. How do you think? W: I think it looks terrific on you. What is the man's final choice for the sweater? What is the woman going to do that night? (6)
A.
A blue sweater in size ten.
B.
A blue sweater in size eleven.
C.
A black sweater in size ten.
D.
A black sweater in size eleven.
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【单选题】“小孔成像”是运用光的______这一基本定律形成的。
A.
光的直线传播定律
B.
光的独立传播定律
C.
光的反射定律
D.
光的折射定律
【多选题】PLC的硬件有以下哪些部分组成( )。
A.
CPU、存储器、电源
B.
输入接口、输出接口
C.
通讯接口
D.
系统程序
E.
用户程序
【单选题】新生儿早期哺乳,要求在出生后
A.
20min内
B.
45min内
C.
2h内
D.
30min内
E.
60min内
【单选题】下列各项中 ,属于消费税征收范围的是( )
A.
批发商批发销售的木制一次性筷子
B.
汽车修理厂修车时更换的外购轮胎
C.
化妆品厂销售的普通护肤护发品
D.
商场销售的金银首饰
【单选题】新生儿早期哺乳,要求在出生后
A.
20分钟内
B.
30分钟内
C.
45分钟内
D.
60分钟内
E.
2小时内
【简答题】PLC 硬件有哪些部分组成?各有什么作用?
【单选题】下列各项中,属于消费税征收范围的是(   )
A.
电动汽车
B.
卡丁车
C.
大卡车
D.
小轿车
【判断题】原料药含量均匀度范围的验证应为测试浓度的 70 %~ 130 %。
A.
正确
B.
错误
【单选题】下列各项中,属于消费税征收范围的是
A.
电动汽车
B.
卡丁车
C.
高尔夫车
D.
小轿车
【多选题】PLC硬件最基本的组成有哪些?( )
A.
中央处理器(CPU)
B.
存储器
C.
输入/输出接口电路
D.
电源
E.
编程器
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