高一英语必修一知识点总结(28)

多次
⑥ not once 一次也不
⑦ once again / more再一次
⑧once and again一再，再三
⑨ once or twice 一两次；有时，偶尔
⑩ once too often又(多了)一次
? once upon a time从前
【考例】(2004上海) ____ we have learned something, additional learning increases the length of time we will remember it.
A. Before B. Once C. Until D. Unless
[考查目标] 连词once的用法和词义。
[答案与解析] B once在作连词使用时意思是“一旦”。
13. prefer v. 宁愿；更喜欢
(1) prefer + n. / pron.
The boy preferred a detective story.
(2) prefer + v. -ing
Do you prefer living abroad?
(3) prefer + to do
She prefers to live among the working people.
(4) prefer sb. to do sth.
She preferred him to stay at home.
(5) prefer + n. / pron. / doing + to + n. / pron. / doing 喜欢……而不喜欢 I prefer the town to the country. / While he was in the office he preferred doing something to doing nothing.
(6) prefer to do...rather than do = would rather do ... than do... 宁愿……而不愿 I prefer to walk there rather than go by bus.
(7) prefer + 从句(谓语动词用should do，should可省略) She preferred that he should do it in the kitchen.
14. protect的用法
▲ 构词：protection n. 保护(者/物)，防御
▲ 搭配：protect sb from / against 防止……遭受……；使……免于，保护……使不受
【考例】 (MET 1992) Clarke was greatly admired at the club for the successful ____.
A. self-satisfaction B. self-protection

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