1. Careful surveys have indicated that as many as 50 percent of patients do not take drugs _D_ directed.
A like B so C which D as
drug n. 药品,毒品。 gay adj. 放荡的,快乐的; n. 同性恋者,尤指男性同性恋。
so后面加过去分词表示一种程度。 as后面加过去分词时表示“如同…那样,正如…那样”。
2. The organization had broken no rules, but _A_ had it acted responsibly.
A neither B so C either D both
3. We gave out a cheer when the red roof of the cottage came _D_ view.
A from B in C before D into
come into view 进入视野,进入眼帘。 cheer n. 欢呼; cheers 干杯;
考试用书 cheer-team 拉拉队; cheer-leader 拉拉队长。英语中为了…干杯用介词to引起。
to your health 为了你的健康干杯; to friendship为了友谊干杯。 bottom up 先干了。
4. They took _D_ measures to prevent poisonous gases from escaping.
A fruitful B beneficial C valid D effective
take effective measures 采取有效措施。 valid adj. 有效的,成立的。
5. Doing your homework is a sure way to improve your test scores, and this is especially true _A_ it comes to classroom tests.
A when B since C before D after
sure 做定语时表示“可靠的、稳妥的”。 come to 谈到,提及。