题目内容：

1.The advance in technology has added many new _______(功能) to the cell phone.

2. The _____( 气候)  in Chongqing is always mild.

3.I have _______(解释) the cause many times to the audience to keep a positive image.

4. It is ____(不必要) to ask him to change his mind.

5. This material ______(传导) electricity.

6. We can draw the ______(结论) that the two chemicals do not react.

7.I have never______(后悔) my decision to come back to my motherland.

8._____(环境的)protection should be put at the top of the list for each country.

9. Special puzzles have been designed to test the ________(智力)of the children.

10.She went abroad for further study with the __________(目的) of finding a good job.