6. Fll tell you the truth,        you don't let it out to anyone.

   A. since   B. once

   C. provided   D. unless

5.        men believe in luck. Selftrust is the first secret of success.

   A. Proud   B. Plain

   C. Shallow   D. Humble

4. One after another rose to speak and        all his arguments to pieces.

   A. tore   B. took

   C. cut   D. pulled

3. Difficulties and failures did not        down his enthusiasm.

   A. get   B. bring

   C. damp   D. let

2. We choose our friends by         ，but we keep them by judgment.

   A. instinct   B. origin

   C. nature   D. character

1. The situation was out of control and finally turned into         .

   A. twist   B. confusion

   C. trap   D. trend

10. There is no doubt that this is the third time that        Wuhan (come)

毫無疑問，這是他第三次來武漢。

9. With        his lecture about the endangered animals,the professor has been preparing for it all the day. (attend)

因?yàn)樵S多學(xué)生要來聽關(guān)于瀕危動物的報(bào)告，這位教授一整天都在做準(zhǔn)備。

8. The contract will        on October 1 ,2013. (effect)

這份合同將于2013年十月一日生效。

7. In some parts of Britain,          ，by the age of thirty,has no teeth left. (person)

十分之一的英國人到了三十歲牙齒就全掉光了。