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问题 判断题

实质性加工是指产品经加工后，在《海关税、进出口税则》中四位数税号一级的税则归类已经有了改变；或者加工增值部分所占新产品总值的比例已达60%及其以上。 ( )

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填空题

用括号内所给动词的适当形式填空。

1. She is always forgetting _________ (give) me my letter.

2. All of the students are_________ (suppose) to hand in their homework on time.

3. If it _________ (rain) next Sunday, we won't have a football match.

4. He kept on _________ (talk) until the class was over.

5. He said that he _________ (come) back in five minutes.

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多项选择题

目前全球野生动物面临着一系列威胁，其中主要的有（）

A.栖息地片段化

B.资源过度利用

C.环境污染

D.气候变化
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