1 . The system was introduced on a _______(试验) basis for one month. (根据汉语提示单词拼写）

2 . He went into the _________ (审讯) full of confidence because he knew he was in the clear. (根据汉语提示单词拼写）

3 . With her dad’s permission, she spent the next two years researching online and conducting ______ (try) to get a recipe that was both tasty and tooth-friendly. （用单词适当形式填空）

4 . These traditional medicines had the____of either causing people to bleed or have a severe stomach upset.

A．trial

B．professional

C．survival

D．potential

5 . It's surprising that you should have been fooled by such a simple ______.

A．trial	B．trick
C．treat	D．trip

6 . “I wouldn’t tell lies to you；that’s not my ___________，” said the man to his wife.

A．vase	B．trial
C．style	D．dynasty

7 . Prime Minister David Cameron said, “…independence will not be a ______separation but a painful divorce”. When the outcome is still up in the air, he made an emotional speech to ______Scottish voters to stay together.

A．trial; call on	B．attempted; call for
C．temporary; call at	D．experimental; call off