所谓空头支票，是指支票的出票人所签发的支票金额超过其出票时在付款人处实有的存款金额。( )

完成句子。

1. This medical team __________ (由…组成) seven doctors and fifteen nurses. 

2. You should try your best to __________ (改掉) such bad habits.

3. __________ (为方便起见), the two groups have been treated as one in this report.

4. __________ (使她十分惊奇的是), Zhang Pingyu found the Queen's jewels 

   __________ (守卫着) by special royal soldiers.

5. This snow is very thick on the road, so you __________ (让车慢下来).

6. She doesn't talk much, but __________ (她说的有道理).

7. It is becoming increasingly difficult __________ (对付大城市的交通问题).

8. The Tsunami __________ (袭击的许多国家) around Indian Ocean.