一段布料，正好做12套儿童服装或9套成人服装，已知做3套成人服装

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问题单项选择题

一段布料，正好做12套儿童服装或9套成人服装，已知做3套成人服装比做2套儿童服装多用布6米，这段布有多长（）

A．24米

B．36米

C．54米

D．48米

答案

参考答案：B

解析：

完形填空

补全对话（20分）

A: Hi, Tom. You were not here yesterday afternoon. What was wrong?

B: ( 1) .

A: Sorry to hear that. __________________________( 2)?

B: Much better. The fever is gone. But I still cough and I feel week.

A: ( 3)?

B: Yes, I did . I went to the doctor’s yesterday afternoon. The doctor gave me some medicine and asked me to stay in bed for a few days.

A: （4） ?

B: Because I’m afraid I’ll miss more lessons and I will be left behind.

A:Don’tworry.Take good care of yourself. ( 5) .

B: Thank you.

单项选择题

（1）生命单体

（2）原始水生物

（3）生物大分子

（4）简单有机物

（5）地球生物圈（）

A．4—1—2—3—5

B．3—2—4—5—1

C．4—3—1—2—5

D．3—4—2—1—5