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选词填空
turn back往回走，使…倒转 turn down把(收音机等)开小一些
turn in上交，上床睡觉 turn on开(收音机，灯等)
turn off关(收音机，灯等)
turn out生产，制造(成品)或跟不定式，构成复合谓语，跟从句(用it作主语)其后跟形容词、副词、名词、意为结果，原来(情况)
turn over移交，翻阅，考虑，细想 turn to向…求助，翻到
turn up出现，来(开会，赴约等)(把收音机)开大一点声
(1)To whom should we ________ the key when we leave the room?
(2)“Please ________ page 40,”said the teacher．
(3)He promised to attend my birthday party, but till now he hasn’t ________ yet．
(4)Excuse me, ________ the radio a little．I could hear nothing．
(5)If you have any difficulty, you can ________ me．
(6)That radio is pretty loud．Could you ________ it ________ a little?
(7)I want to ________ early tonight because I should get up early tomorrow．
(8)Remember to ________ all the lights before you leave the room．
(9)Have you ________ your exercise book?
(10)The wheel of history can never be ________．
(11)Would you mind ________ the light?It is dark．
(12)She was afraid things were not going to ________ smooth for us．
(13)The English evening party ________ a great success．
(14)The factory ________ 2000 new cars last year．
(15)It ________ that he has never been there．No wonder he knows nothing about it．
仔细阅读下面的短文，短文中有10个空格或画线句子。请按照每小题括号内的具体要求完成语法填空、词形变化、句子合并、句子改写以及病句改正等。答案填写在标号为1～10的对应位置。
Most young people only get seven hours 1 (介词)sleep each night, 2 (对比连词)they actually need nine hours．And 3 (make)up for lost sleep during the week by sleeping 4 (介词)weekends doesn’t really work．In fact, sleeping late may actually do you much harm．You have sleep problems． 5 (合并为主从复合句)What happens if you don’t 6 (谓语动词)enough sleep? If 7 (人称代词)sleep problem continues for a few nights, you could suffer serious 8 (problem)． 9 Lack of sleepy can affect learning and memory．(改正错误) 10 (比较级), sleep difficulties could lead to anxiety or depression(抑郁)．