Question

高中英语必修三单选题，求答案和详细解析

1.The government has taken measures to ____ the high prices of daily goods to keep the market stable.
A.take down B.bring down C.hand down D.tear down

2.The fact that so many people still smoke in public places ___that we may need a nationwide campaign to raise awareness of the risks of smoking.
A.suggest B.suggests C.suggested D.suggesting

3.When the news comg ____the war broke out,he decided to serve in the army.
A.since B.which C.that D.because

4.By the time Jack returmed home from England,his son ____ from college.
A.graduated B.has graduated C.had been graduating D.had granduated

求解析

Answer 1

1. B bring down 降低，减少
政府已经采取措施降低日用品的高价格，以维护市场的稳定。
2. B suggests 表明
很多人在公共场所抽烟的事实表明我们需要进行一场全国性的运动以提高大家抽烟有害的意识。 The fact that... 同位语从句，谓语取决于主语the fact。
3. C. 同位语从句 when,,,从句， he decided to...主句 that ... 做同位语解释说明the news， 因the war broke out 不缺成分，所以连接词用that 。记住：同位语从句中90%以上用的that 连接。
4. D by the time +过去时（从句），过去完成时（主句）。
Jack从英国回来时，他的儿子已经从大学毕业了。
by the time+一般现在时（从句），将来完成时(主句)
e.g.: By the time he graduates from college, he will have learned 5,000 words.
等他从大学毕业时，他将已经学了5000个单词。
希望能帮到你！