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济南奥数网9月15日小升初语文天天练
根据要求写句子
（1）缩句（2分） 金色的沙滩上奔跑着一群快乐的孩子和他们的老师。
（2）把下面的句子改为双重否定句（2分） 妈妈单位里只给每人发一张票，这真叫人为难。
（3）把下面的句子改为比喻句（2分） 降落伞在天空飘落。
（4）把下面的句子改为拟人句（2分） 河水哗哗地流着。
（5）把下面的句子改为反问句（2分） 不劳动，连棵花也养不活，这是真理。
济南奥数网9月15日小升初奥数天天练
难度：★★★★
一支运货船队第一次顺水航行42千米，逆水航行8千米，共用了11小时；第二次用同样的时间，顺水航行了24千米，逆水航行了14千米，求这支船队在静水中的速度和水流速度？
难度：★★★★★
甲、乙二人分别从A、B两地同时出发，往返跑步。甲每分跑180米，乙每分跑240米。如果他们的第100次相遇点与第101次相遇点的距离是160米，求A、B两点间的距离为多少米？
济南奥数网9月15日小升初英语天天练
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