高考英語單元知識點復習Unit 7-Unit 8
我們仍缺少必要的信息。we cannot discuss the details now for lack of time.因時間有限，我們現在無法討論細節。she lacked the confidence to make friends.她缺乏交朋友的信心。lack用作名詞時常與介詞of連用，用作動詞常與介詞for連用。練：________of heat made us cold.a.poor b.short c.lack d.rich提示:本句話的意思為“缺乏供暖，我們感到很冷”，此處缺少作主語的名詞。答案:c3.discourage講：vt.使泄氣；使失去信心（常用于被動語態中）discourage sb.from doing sth.勸某人打消做某事的念頭；阻止某人做某事discouraging adj. 令人泄氣的；使人灰心的例：i was discouraged at the news.聽到這個消息時我感到沮喪。they got discouraged and decided to give up.他們都泄氣了，決定放棄。the examination result is discouraging.考試結果很令人沮喪。her parents tried to discourage her from becoming a singer.她的父母想勸她打消當歌星的念頭。his mother wanted to discourage him from marrying his cousin.他母親想阻止他娶他的表妹。鏈接·提示 反義詞：encourage 鼓勵；使充滿信心。encourage sb. to do sth.鼓勵某人做某事。下文有she spends much of her time telling others about her disease and encouraging people to learn how to protect themselves.練：（北京模擬）my adviser encouraged______a summer course to improve my writing skills.a.for me taking b.me takingc.for me to take d.me to take提示:根據動詞encourage的用法，表示“激勵某人做某事”應該使用encourage sb.to do sth.結構。答案:d4.recover講：v.收回；恢復；痊愈例：the police recovered the stolen jwelery.警察收回了偷走的珠寶。she is beginning to recover her strength after her fever.發燒后她在開始恢復體力。he has recovered from his bad cold and can go out tomorrow.他重感冒已經恢復了，明天可以外出。has the country recovered yet from the effects of the war?這個國家從戰爭的影響中恢復過來了嗎？鏈接·提示 注意比較“recover恢復；discover發現；uncover揭露，打開包裝”這三個同根詞的意思區別。 recovery n.恢復 he made a quick recovery from his fever. 他發燒很快就好了。練：everyone in the company hoped that their manager could_________after the operation.