according to the text, which of the following is not a dysfunction caused by drug abuse?
A. There is a strong association between drug use and crime.
B. Drug abuse is a major cause of unemployment.
C. There are great economic losses because of drug abuse.
D. Drug dependence takes a significant toll in terms of personal health and safety. .
第1题:
A. followed,followed
B. followed,following
C. following,followed
D. following,following
第2题:
第3题:
第4题:
乘船比乘车更有趣。
Taking a boat is_________ _________ than_________ a bus.
第5题:
第6题: