221.She could not restrain her curiosity to see what was in the box.

　　222.Will you swear to the truth of your statement?

　　223.Scientists are now on the threshold of a better understanding of how the human brain works.

　　224.Fame,power,wealth -- all is vanity before death.

　　225.I have a sensation that ...

　　226.sociable

　　227.We attr123te Edison's success to intelligence and hard work.

　　228.Our friendship began with a casual meeting.

　　229.There are hundreds of children who need to be nourished.

　　230.a exclusive club