高一英語:知識點總結Unit17-18(18)
( ) 5. All the employees except the manager ____ to
work online at home.
A. encourages B. encourage
C. is encouraged D. are encouraged
【解析】選D 本題考查主謂一致與時態，本句的主
語是employees。
( ) 6. When and where to go for the on-salary holiday
___ yet.
A. are not decided
B. have not been decided
C. is not being decided
D. has not been decided
【解析】選D 由what，who，why，how，when等
“wh-”引導的名詞性分句作主語時，其后的謂語動詞用單
數.兩個由and連接的并列名詞性分句如果表示一件事
情.謂語動詞要用單數。
( ) 7. The flu is believed ____ by viruses that like to
reproduce in the cells inside the human nose and
throat.
A. causing B. being caused
C. to be caused D. to have caused
【解析】選C 根據flu和介詞by可知應該用被動語
態，所以排除A、D項，再根據is believed，可知C項為最佳
選項，因為sth. is believed / considere / thought是英語中
的一種常見句式。
( ) 8. There were dirty marks on her trousers
she had wiped her hands.
A. where B. which
C. when D. that
【解析】選A 本題考查定語從句的關系詞，本句意
思為“在她的褲子上，她擦過手的地方，有臟臟的印記”。
where在其引導的定語從句在句中作地點狀語。
( ) 9. Don't leave the water ____ while you brush
your teeth.
A. run B. running
C. being run D. to run
【解析】選B 本句考查leave + 名詞 + 現在分詞/過
去分詞結構，水流出來屬于主動行為，所以要用runniikg。
( ) 10. -- Is this raincoat yours?
-- No, mine ____ there behind the door.
A. hangs B. has hung
C. is hanging D. hung
【解析】選C 這道題考查動詞hang的用法，當hang
作“懸掛著，吊著”講時，為不及物動詞，現在進行時強調動
作的暫時性.答案為C。
(責任編輯：康彥林)
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