单选题

【正确答案】 B
【答案解析】[听力原文] I really cannot decide whether to dig up information from the Internet for our annual report over the weekend, or go shopping with my friends. But maybe a break would do me good.
【正确答案】 C
【答案解析】[听力原文] Rarely do new employees take such initiatives as Mr. Johnson does. Usually they'll wait until they're familiar with their working environment.
【正确答案】 B
【答案解析】[听力原文] The subject of the conference is marketing and sales. And I was wondering if you could give us a talk, say, fifty minutes or so, on cost-effective publicity.
【正确答案】 A
【答案解析】[听力原文] If a family has a baby, it brings about special food and clothing needs. When that child grows up, he or she will more directly influence their parents' choice of daily commodities.
【正确答案】 C
【答案解析】[听力原文] Not all sugar-containing foods are bad. For example, an apple has its main calories come from sugar, but it's surrounded by fiber. So it digests slowly and keeps blood sugar under control.