阅读理解。 "All work and no play makes Jack

来源:www.tikuol.com 发布时间:2017-04-24 11:47
题型:阅读理解

问题:

阅读理解。

     "All work and no play makes Jack a dull boy." is a popular saying in the United States. It is true that

all of us need recreation (消遣). We cannot work all the time if we are going to keep in good health and

enjoy life.

     Everyone has his own way of relaxing. Perhaps the most popular way is to take part in sports. There

are team sports, such as basketball and football. There are also individual (个人的) sports, such as

swimming and running. Skating and mountain climbing are the most popular recreation for people who

like to be outdoor.

     Not everyone who enjoys sporting events likes to take part in them. Many people like some forms of

indoor recreation, such as watching TV, singing and dancing.

     It doesn't matter whether we like indoor recreation or take part in outdoor sports.  It is important for

everyone to relax from time to time, and enjoy some forms of recreation.

根据短文内容,判断句子正(T)误(F)。

( )1. You'd better always work hard if you want to keep in good health and enjoy life.

(     )2. Each person s way of relaxing is not always the same.

(     )3. The most popular way to relax is to take part in sports.

(     )4. Many people like some forms of indoor recreation, such as watching TV, dancing and skating.

(     )5. The writer wants everyone to enjoy some forms of recreation.

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题型:填空题

下表为元素周期表的一部分,参照元素①~⑦在表中的位置,请用化学用语回答下列

问题:

(1)④、⑤、⑦的原子半径由大到小的顺序为       (用元素符号表示,下同)。

(2)⑥和⑦的最高价含氧酸的酸性强弱为              

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(4)由表中元素形成的物质可发生如图中的反应,其中B、C、G是单质,B为黄绿色气体,D溶液显碱性。

①写出D溶液与G反应的化学方程式                                           

②写出检验A溶液中溶质的阴离子的方法:                                    

③常温下,若电解1 L 0.1 mol/L的A溶液,一段时间后测得溶液pH为12(忽略溶液体积变化),则该电解过程中转移电子的物质的量为       mol。

④若上图中各步反应均为恰好完全转化,则混合物X中含有的物质有       

题型:读图填空题

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题型:单项选择题

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A、涂润滑油

B、涂防锈油

C、涂机油

D、抺黄油