单词和词组(共10小题;每题1分,满分10分)
When e_________(暴露)to challenges, we should realize that it is they that make us perfect.
To my great d_________(高兴), we succeeded in working out a plan.
Being o_________(乐观)and enthusiastic in our life enables us to go further and further.
I apologize for having hurt you but I didn’t do it d_________(故意).
With globalization, it is essential for us to be more t_________(容忍)of different cultures.
The rapid increase of private cars _________ _________(导致)the air pollution in cities.
Based on different interests, the talk between the two countries held in Beijing _________ _________(破裂).
Although computers are widely used in many fields, they can’t _________ _________ _________(取代)of human beings.
We are sure to make progress if we always _________ _________(全神贯注于)what teachers say in class.
It will certainly _________ _________ _________(起作用)as long as everyone makes his own contribution to our society.