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【多选题】
当平均产量达到最大值时A.
边际产量处于递减阶段
B.
边际产量等于平均产量
C.
总产量处于递增阶段,但未达到最大值
D.
总产量达到最大值
E.
边际产量达到最大值
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【简答题】根据短文内容和所给汉语提示，写出短文空白处各单词的正确形式。（每空限填一词） I’m Du Yufan. I’m in Class One, Grade Seven at Dashan school. My school is not 小题1: (大的). You can see 小题2: （仅仅）three classrooms in it. Look, this is my classroom...
【单选题】即期付款交单的英文是( )。
A.
D/P At Sight
B.
D/P After Sight
C.
Telegraphic Transfer
D.
Mail Transfer
【简答题】在安装火花塞的时候必须注意哪几点?
【简答题】A: Please don’t eat in the classroom. B: I’m sorry. Could you ________that? A: Yes. Don’t eat in the classroom. B: Oh, OK. ______.
【单选题】下列哪个短语是“即期付款交单”？
A.
D/P at sight
B.
D/A at sight
C.
D/P after sight
D.
D/A after sight
【简答题】根据短文内容，完成下列任务。 Hello! My name is David. I’m in Class 3, Grade 7. Here (1)___ our classroom. Thirty-two desks and thirty-two chairs (2) __ in it. Some bags are on the desks. Some books are in the bag...
【单选题】In a classroom Teacher: Can you follow what I’m saying? _____________________________3
A.
Yes, I follow you.
B.
Sorry, I can’t.
C.
I’m sorry to hear that.
D.
No, I don’t follow you.
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