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6．—Where _______the chairs

6．—Where _______the chairs
题目：6．—Where _______the chairs —Sorry，l don-t know． A．are B．am C．is D．be 喵查答案：A 6．A【解析】句中的名词c hair是复数形式，因此 be动词甩相应的复数。 ……继续阅读 »

12．

12．
题目：12． A．never B．seldom C．sometimes D．ever 喵查答案：C 12.C【解析】sometimes意为“有时，不时”，其他三项均不合句意。 ……继续阅读 »

20．

20．
题目：20． A． on B． off C． up D． around 喵查答案：D 20.D【解析】老人让格林先生往回开九英里，所以要拐回去，即turn around，而turn on指“打开（电视、煤气等）”，turnoff是“关掉”，turn up是“开大，调大”，它们都与句意不符，故选D。 ……继续阅读 »

10． ——What’s wrong with your right hand

10． ——What’s wrong with your right hand
题目：10． ——What’s wrong with your right hand ——I got it _________in the door． A． catching B．caught C． to be caught D． to catch 喵查答案：B IO．B【解析】have/get sth． done意为“让别人做某事”，也可指不幸……继续阅读 »

12．

12．
题目：12． A．on B．at C．with D．for 喵查答案：C 12.C【解析】with great excitement是介词短语表示伴随，句意为“激动地（说）”。 ……继续阅读 »

(6分)自行车是一种很普及的交通工具，一辆普通自行车的质量大约为15㎏。

(6分)自行车是一种很普及的交通工具，一辆普通自行车的质量大约为15㎏。
题目：(6分)自行车是一种很普及的交通工具，一辆普通自行车的质量大约为15㎏。 （1）（2分）从它的结构和使用来看，应用了许多物理知识，请你仿照下表的示例，写出两个应用的实例。 示 例 用力捏车闸，通过增大刹车皮和车轮钢圈之间的压力来增大摩擦 例1 例2 喵查答案： 示 例用力捏车闸，通过增大刹车皮和车轮钢圈之间的压力来增大摩擦例1轮胎有花纹，增大了接触表面……继续阅读 »

40．

40．
题目：40． A．to drink B． to ride C． to use D． to eat 喵查答案：D 40.D【解析】句意：你就可以吃自己的草莓。 ……继续阅读 »

London-is such a wonderful city．It is very large．The Thames River runs (11) the city from west to east． So the city has (12) parts: the South and the North． In the North， there are important buildings， shops， big parks and interesting places． the weather in London is good． In winter it is not very cold and in summer it is not very hot (13) the city is near the sea． People say (14 ) London is a foggy city and it often rains． It is true．Last year，when l (15) in London， Imet one of the (16) fogs in years． You could hardly see your hands in front of your face． Cars and buses moved -along with their lights on．When evening fell， the weather (17 ) even worse． The fog was as thick as milk．(18) the buses and cars stopped． I happened (19 ) ． an important meeting on the other side of the town， but it was impossible to find a car． I had to get there (20) ．

London-is such a wonderful city．It is very large．The Thames River runs (11) the city from west to east． So the city has (12) parts: the South and the North． In the North， there are important buildings， shops， big parks and interesting places． the weather in London is good． In winter it is not very cold and in summer it is not very hot (13) the city is near the sea． People say (14 ) London is a foggy city and it often rains． It is true．Last year，when l (15) in London， Imet one of the (16) fogs in years． You could hardly see your hands in front of your face． Cars and buses moved -along with their lights on．When evening fell， the weather (17 ) even worse． The fog was as thick as milk．(18) the buses and cars stopped． I happened (19 ) ． an important meeting on the other side of the town， but it was impossible to find a car． I had to get there (20) ．
题目：London-is such a wonderful city．It is very large．The Thames River runs (11) the city from west to east． So the city has (12) parts: the South and the North． In the North， there ……继续阅读 »