2020高考英語一輪復習Unit 21-Unit 22
(2)while引導的從句與主句的主語相同,且while從句的動詞為be時,while從句的主語和be動詞有時被省略。練:(江蘇模擬) ________ i accept that he is not perfect,i do actually like the person.a.while b.since c.before d.unless提示:本題考查從屬連詞的用法。從題干內容看,主句和從句之間存在讓步關系,而連詞while含有“雖然、雖則”之意,故選a項。答案:a辨析1.through,acrossacross(橫過、穿過)著重指從一條線或一物體表面的一邊到另一邊。其含義與on有關。through(穿過,從……通過)著重指空間的一頭縱穿到另一頭。其含義與in有關。即時練習:(1)a train is running _______ the tunnel.(2)don’t run _______ the street while the traffic light is red.(3)there is a shop _______ the road.(4)i don’t think he will live _______ the night.答案:(1)through (2)across (3)across (4)through2.no one,none(1)no one用來指人,不能接of短語,當它作主語時,謂語動詞用單數。(2)none不僅指人也可指物,其后常接of短語,構成“none of+名詞/代詞”結構,當名詞或代詞為復數時,謂語動詞用單復數均可。(3)回答how many引起的問句用none;回答who引起的問句用no one。即時練習:(1) _______ likes a person with bad manners.(2) _______ of his friends came to help him.(3)almost _______ believes him.(4) _______ of them has/have seen him.(5)—who entered the room?—_______.(6)—how many students are there in the classroom?—_______.答案:(1)no one (2)none (3)no one (4)none (5)no one (6)none誘思:實例點撥【例1】 (浙江模擬) i couldn’t _______.the line was busy.a.go by b.go around c.get in d.get through提示:go by經過;go around傳播;get in收割;get through接通,打通。從句意看應該選d。答案:d【例2】 (山東模擬) what shall we use for power when all the oil in the world has _______?a.given out b.put out c.held up d.used up提示:本題考查動詞短語的辨析。give out 用完,耗盡;put out 撲滅,把某物放在外邊,發布/出版等;hold up 阻礙或延誤某人/物,以武力/暴力威脅搶劫;use up 是最大的干擾項,使用use up時,人作主語,表示把某物用完(盡),而本題中,要選的動詞的主語是物oil,故答案只能選a。