单词填空
Everyone knows the i          of teamwork in a basketball game
Which do you think is more (宝贵的)____________，health or wealth?
Last night a big fire broke out and only a few people were able to_________ (逃离) from the burning building . 
The manager will go on a vacation for half a month and his secretary will be in charge during his a________. 
They ________(试图) to promote their new product but failed..
It was reported that three people were killed and seven were i ________ in the traffic accident. 
He wishes to be a singer and now his dream was turned into r       .
It is a pleasant thing to go            (观光) in this beautiful city.
Now many teenagers are concerned about some ___________ (社会的) problems.
We are c________ that Chinese athletes can perform well in the London Olympic Games.