句型转化。

1. Do you know? Where is the park? (合并为一句)  

Do you know _____ _____ _____ _____?

2. When do you go to work? He asked. (合并为一句)  

He asked _____ _____ ______ to work.

3.  How can I get to the station? I don’t know. (合并为一句)  

I don’t know _____ _____ _____ _____ to the station.

4.  I think, "This is not a good book."(改为同义句)  

I _____ _____ this _____ a good book.

5. Lucy hasn’t decided which coat she should buy. (改为同义句)  

Lucy hasn’t decided _____ _____ _____ _____.

在上塔存在氩富集区，但氩馏分抽口设在（）。

A.精馏段氩含量最大的部位

B.提馏段氩含量最大位置稍偏下的地方

C.任意位置