第一节完形填空（共10小题；每小题2分，满分20分）
阅读下面短文，掌握其大意，然后从21--30各题所给的A、B、C和D项中，选出最佳选项，并在答题卡上将该项涂黑。
Experts believe that young people are drinking more alcohol than ever. They say it's not just the __21__ that teenagers consume that's worrying them but also what they do when they're drunk.
A recent survey found that 40% of British teens drank at least once every month and that younger teens were often __22__ to take their first drink by older friends.
As one teen said, "When you're with all your friends and having a good time, if someone gets out some alcohol you just __23__ it and drink."
The government believes part of the problem is the availability of __24__ alcohol and has introduced a law to ban such drinks. Others oppose the law because they say it __25__ targets poorer drinkers.
One young drinker interviewed thinks price is __26__ and that teens, determined to get drunk, will find a way. But alcohol expert Professor Martin Plant says the evidence supporting the new law is __27__. He said, "The science is absolutely clear. Putting in a minimum price will __28__ alcohol consumption by young drinkers. This is the first real development that offers the __29__ of cutting the size of the alcohol problem, and luckily the government has __30__ the opportunity."
21. A. time                  B. types                C. products           D. amount
22. A. promised            B. encouraged       C. forced              D. charged
23. A. go along with      B. come into         C. turn to              D. get away with
24. A. sweet                 B. strong              C. cheap                      D. expensive
25. A. intentionally       B. unfairly            C. rightly              D. completely
26. A. irrelevant           B. unreasonable     C. inexpensive       D. unknown
27. A. weak                 B. existing            C. convincing        D. approving
28. A. prevent              B. reduce              C. balance             D. delay
29. A. issue                  B. choice              C. time                 D. promise
30. A. missed                      B. given                      C. taken                D. used