题目列表(包括答案和解析)

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6.   You must be ______(礼貌的)to the old man.

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5.    They got _________________(interest) in the book of mine. 

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4.   There are five __________(thousand) people there. It’s too crowded.

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3.    Next month will be his _______________(nine) birthday.

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2.   The dog has been _________(die) for two hours.

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1.   He has saved a lot of people’s _________(life) since he became a doctor.

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18.在一次“人与自然”知识竞赛中,竞赛试题共有25道题,每道题给出4个答案,其中只有1个答案是对的,要求学生把正确的答案选出来,每道题选对得4分,不选或错选扣2分,如果一名学生在本次竞赛中,得分不低于60分,那么他至少应选对多少道题(10分)

 

 

 

 

 

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17.已知 当x取何值时,(7分)

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16.解下列不等式,并把它们的解集在数轴上表示出来(每小题7分,共28分)

(1)           (2)   

(3)              (4)

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