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【单选题】
After some shipments are refused to be imported, ______.A.
trade is going down all the way
B.
people sign trade on time
C.
goods are getting more expensive
D.
merchants try risking trading again.
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【简答题】A. accompany B. approach C. complain D. conscious E. continual F. emerge G. hesitate H. shake I. insert J. commit suicide 1. You ( ) your head by turning it from side to side. 2. When you ( ) somethin...
【单选题】以下关于变量的说法错误的是
A.
Python语言中每个变量在使用前都必须赋值
B.
Python语言中变量一旦被赋值后就不可更改
C.
Python语言中变量是动态的，它没有类型，我们所说的“类型”是变量所指的内存中对象的类型，变量可被赋予各种类型的值
D.
Python语言中使用print(变量名)可打印变量的值
【单选题】When you come out of the lift, turn left. Mr. Smith's office is the second one on the right.
A.
Thank you.
B.
You are welcome.
C.
Don't mention it.
D.
Sorry to hear that.
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