完形填空 Mikeisvery 1 atmaths.Mary,hissister,isnotgoodatit...
问题详情:
完形填空
Mike is very 1 at maths. Mary, his sister, is not good at it. Mike often helps her 2 her maths. One night Mike and Mary 3 out their exercise—books and began 4 their lessons. Soon Mike finished his homework, but his sister 5 . She couldn't work out the last problem. “Let me 6 you,” said Mike. “No, please 7 . I'll do it 8 ,” said Mary. She thought and thought, and 9 an hour she worked it out. She10 very, very tired, but very, very happy.
( ) er
( )
( ) s take
( ) make do
( ) 't 't 't shed it
( ) help call to
( ) 't 't 't dn't
( ) elf lf elf me
( ) re nd r
( )
【回答】
1B 2C 3C 4D 5C 6A 7A 8B 9C 10C
知识点:日常生活类
题型:完型填空
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在恒温、体积为2L的密闭容器中进行反应:2A(g)⇌3B(g)+C(g),若反应物在前20sA物质由3mol降...
问题详情:在恒温、体积为2L的密闭容器中进行反应:2A(g)⇌3B(g)+C(g),若反应物在前20sA物质由3mol降为1.8mol,则前20s的平均反应速度为()A.v(B)=0.03mol/(L•s)B.v(B)=0.045mol/(L•s)C.v(C)=0.03mol/(L•s)D.v(C)=0.06mol/(L•s)【回答】考点:化学反应速率和化学计量数的关系.专题:化学反应速率专...
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下列加点词注音全对的一项是( )A.浣女(huàn) 谄媚(xiàn) 邂逅(xiè)B.惘然(wǎn...
问题详情:下列加点词注音全对的一项是( )A.浣女(huàn) 谄媚(xiàn) 邂逅(xiè)B.惘然(wǎnɡ) 纶巾(ɡuān) 铜钿(tián)C.湓浦(pǔ) 贾人(ɡǔ) 嘲哳(zāo)D.迸发(bènɡ) 谪居(zhé) 锦瑟(sì)【回答】【*】B【解析】试题分析:A.Chǎn,C.zhāo,D.s...
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在探究“光对鼠妇生活的影响”实验中属于变量的是( )A.温度 B.湿度 ...
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________hislessons,hefailedintheexam.A.Notreviewing B.H...
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