济南小升初天天练栏目每日精选一道题，名师指导讲解，为你升学把脉。

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　　济南奥数网9月20日小升初天天练语文

　　根据语境，选择恰当的成语填空。（填序号即可）

　　执着的故事不老——愚公移山，夸父逐日，（　　）；执着的人物不朽——闻鸡起舞的祖逖，（　　）的勾践，面壁静修的达摩。执着是坚持不懈，是（　　），是一支永无休止符的进行曲。　　A、卧薪尝胆　　 B、守株待兔　 　C、精卫填海

　　D、锲而不舍　 　E、悬梁刺股　　 F、艰苦卓绝　　 G、直言不讳

　　济南奥数网9月20日小升初天天练奥数

　　难度：★★★★

　　如下图，线段AB与BC垂直，已知AD=EC=4，DB=BE=6，那么图中阴影部分面积是多少？

　　难度：★★★★★

　　三角形 ABC中， C是直角，已知AC=2 ，CD=2 ，CB=3 ，AM=BM ，那么三角形 (阴影部分)的面积为多少？

　　济南奥数网9月20日小升初天天练英语

　　一、 单项选择

　　1. Jim usually ____ home at 5 o’clock every afternoon.

　　A .reaches B. gets to C. arrives in D. arrives at

　　2. Lucy knew nothing about it ____ her mother told her.

　　A. because B. until C. if D. since

　　3. Hawaii is famous ____ its beautiful beaches.

　　A. to B. as C. for D. at

　　4. There are ___ in the sky at night when the weather is fine.

　　A. million stars B. million of stars

　　C. millions of stars D. millions of star

　　5. Though Mike meets great trouble in English, I believe he can ____it _____because he is always hard-working.

　　A. turn; over B. get; over C. take; over D. look; over

　　二、 完形填空

　　In the old days，in London，the smog was very thick. Car and bus drivers 1 to drive very slowly they could 2 see the.road in front of them even during the daytime. People did not like going out in the smog. 3 they had to go out，they wore smog masks over their faces.

　　In December 1952，a very， 4 dark cloud came down over.London.It was the 5 smog Londoners had ever had. 6 of it was bad factory smoke. Nearly fifty people died in road accidents. But many more people became unhealthy.The smog was very 7 for old people and children.One man said，“The streets were almost 8 because people stayed at home as much as possible.The air was very thick，and you could almost cut it with a knife.”

　　After three weeks，the smog began to 9 .But in the following weeks and months，over 4000 people died as a 10 of the smog.

　　( )1 A.hurried B.stayed C. had D.minded

　　( )2. A.already B.easily C.luckily D. hardly

　　( )3 A.If B.So C.Though D.Whether

　　( )4. A.thin B.thick C.light D.clear

　　( )5. A.furthest B.hottest C.worst D.nicest

　　( )6. A. Much B.Many C.Few D. A few

　　( )7. A. quiet B.dangerous C.favorite D.weak

　　( )8. A.busy B.empty C.enjoyable D.dirty

　　( )9. A.arrive B.shine C.forget D.lift

　　( )10. A.beginning B.part C.usual D.result