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新《商检法》的立法宗旨是，为了加强进出口商品检验工作，规范进出口商品检验行为，维护社会公共利益和进出口贸易有关各方的合法权益，促进对外经济贸易关系的顺利发展。 ( )

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参考答案：对

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定义在R上的偶函数f（x）在区间[1，2]上是增函数．且满足f（x+1）=f（1-x），关于函数f（x）有如下结论：
①f(
3
2
)=f(-
1
2
)； 
②图象关于直线x=1对称； 
③在区间[0，1]上是减函数；
④在区间[2，3]上是增函数；
其中正确结论的序号是______．
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补全对话，情景问答

补全对话。

Celio: Hi, Jim. What's the weather like today?

Jim: It's cool today. Today is Friday. 1_______________________________?

Celio: We have English and music on Fridays. Look! 2_______________________________?

Jim: He's my P. E. teacher.

Celio: 3_______________________________? 

Jim: He's very kind.

Celio: 4_______________________________?

Jim: No, he's not funny.

Celio: Oh, tomorrow is weekend. 5_______________________________?

Jim: I often play ping-pong. What about you?

Celio: I play ping-pong, too.

Jim: It's six o'clock. It's time to go home. See you.

Celio: See you.
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