题目内容：

单词拼写

1.They saw a penniless young man         （徘徊）on the pavement outside their house.

2.I’d just about given myself up when I was       (发现)by a ship.

3.The earth became so_____ (激烈动荡)that it was not clear whether the shape would last or not.

4.Why they suddenly appeared still remains a ______(谜).

5.They are putting too much carbon dioxide into the _____(大气层).

6.What ____(使迷惑) me is why he looks so old.

7.We should try our best to apply ____(理论) to practice.

8.The rise of the sea water is due to the ____(全球) warming.

9.The birds were flying in all______(方向) at the gun.

10.He ____(测量)the length of the room and went out.