A) potential B) performance C) preference D) passion

A hardworking ambitious young man.
B. A young man good at managing his time.
C. A college graduate with practical working experience.
D. A young man with his own idea of what is important.

A. 非机动车
B. 小客车
C. 机动车
D. 出租车

A. it's not easy to foretell their visits on the net
B. it usually dominates the net page as long as over two hours
C. it steals the users' account number for email box
D. it prevents the users from visiting the websites they like

A. they find it hard to resist the carrot-and-stick approach of their parents
B. they have learn from other parents about the joys of having children
C. they feel more and more lonely ad they grow older
D. they have found it irrational to remain childless