选词填空(10分) schools speak comes living tea

题型:完形填空

问题:

选词填空(10分)

schools  speak    comes  living   teacher  write  but  children  Chinese  thinks      

Mr. Smith is my new friend. He _小题1:__ from Paris, France. He’s a French _小题2:___  of a middle school. His students all like him very much. He can __小题3:___ some Chinese, _小题4:__  not much. He wants to learn more, so he goes to __小题5:__ classes every week. He likes _小题6:__ and working in China very much. He ___小题7:_the Chinese people are very friendly(友好的). He has two  __小题8:__ , Maria and Tom. They are students, but they go to different(不同的) __小题9:___  . They have some pen pals and they often  _小题10:___ to the pen pals. They also have many Chinese friends at school and they play games after class.

考点:连词成句
题型:完形填空

目前已知的动物大概有_________种,其中_________的数量最多。

题型:完形填空

给农田适时松土有利于植物的生长,其直接原因是(  )

A.降低水分蒸腾

B.有利于植物进行光合作用

C.有利于根吸收水分和无机盐

D.有利于根的呼吸作用

题型:完形填空

选矿生产中常用小于200目粒级的百分含量表示磨放细度。

题型:完形填空

如图所示,有一柔软链条全长为L=1.0m,质量均匀分布,总质量为M=2.0kg.整条链条均匀带电,总带电量Q=1.0×10-6C,将链条放在离地足够高的水平桌面上.仅在水平桌面的上方存在匀强电场,电场强度E=2.0×107V/m.若桌面与链条之间的动摩擦因数为μ=0.5(重力加速度取g=10m/s2).试求:

(1)当桌面下的链条多长时,桌面下的链条所受到的重力恰好等于链条受到的滑动摩擦力.

(2)链条从桌面上全部滑下所需的最小初动能.

题型:完形填空

通过()方式对准公共物品的成本进行补偿,可以起到改进公共资源的配置效率、提高公共服务质量的作用

A.征税

B.行政事业性收费

C.收缴利润

D.罚没

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