问题 填空题

从盐酸、氢氧化钙、氢氧化钠、纯碱、食盐、一氧化碳、甲烷、氧气、铜、银等物质中选择相关的物质进行填空(用化学式表示):可用于冶炼金属的化合物是______;天然气的主要成分是______;常用作导线的是______;用作调味品的是______;家庭里蒸馒头常用的是______.

答案

根据用于冶炼金属的化合物是一氧化碳;化学式为:CO;

天然气的主要成分是甲烷;化学式为:CH4

常用作导线的是铜;依据金属是由原子构成的物质,用它的元素符号表示这种物质,铜的化学式为:Cu;

用作调味品的是氯化钠;钠元素的化合价为+1,氯元素的化合价为-1,氯化钠化学式为:NaCl;

家庭里蒸馒头常用的是碳酸钠;碳酸根的化合价为-2,钠元素的化合价为+1,碳酸钠化学式为:Na2CO3

故答案为:CO;CH4;Cu;NaCl;Na2CO3

完形填空
The Sea Life Centre is a Really Exciting Place
Good morning, everyone. 36  to the new Sea Life Centre at Plymouth.
The Sea Life Centre is a really exciting place. There are so many things to 37
here and everything is enjoyable. It costs $3.76 for adults ,  $2 for children and    38  for over sixties and school groups. It’s   39  from 9:00am to 4:30pm every day except 25th and 26th of December.
Special  40 include hourly feeding times for all the different animals and fish, and shows in the sea life theatre.   41   is always there to answer questions about what you’ve seen.   42  you are in a group of six or more people, we  43   give you a special guided tour of the centre. But you   44.  to arrange(安排 ) this at the information desk when you   45  .
The latest attraction(吸引人的事) is a big   46  tunnel(隧道 )you can walk through. All around you, you will see fish swimming--- sometimes even over your head. You certainly have the   47 view(景色 ) of the undersea world. Children   48  it and it’s really amazing for adults, too.
When you get  49 , there is a relaxed family dining room serving food.
That’s all. For   50.  information, phone 091743-564219. Have a good time! Thank you.
小题1:
A.GoB.ComeC.WalkD.Welcome
小题2:
A.seeB.doC.playD.take
小题3:
A.littleB.fewC.lessD.fewer
小题4:
A.popularB.busyC.crowdedD.open
小题5:
A.changesB.programsC.attractionsD.performances(表演 )
小题6:
A.someoneB.anyoneC.everyoneD.no one
小题7:
A.whenB.ifC.becauseD.until
小题8:
A.canB.mustC.shouldD.have to
小题9:
A.decideB.likeC.hopeD.need
小题10:
A.returnB.arriveC.leaveD.travel
小题11:
A.metal ( 金属)B.woodC.glassD.stone( 石头)
小题12:
A.clearestB.funniestC.most relaxingD.most frightening
小题13:
A.wantB.visitC.loveD.find
小题14:
A.tiredB.boredC.thirstyD.hungry
小题15:
A.someB.moreC.muchD.most
阅读理解

阅读理解.

     The first newspaper was written by hand and put up on walls. The earliest daily newspaper was

started in Rome in 59 BC.  In the 700's, the world's first printed newspaper was published. In 1609 in

Germany the first regular (定期的) newspaper was started.

    The first regular published newspaper in English was printed in Amsterdam in 1620.ln 1621, an

English newspaper was started in London and was published once a week. The first daily English

newspaper was the Daily Currant.lt came out in March 1702.

     In 1690, Benjamin Harris printed the first American newspaper in Boston. But not long after it was

first published, the government stopped the paper .In 1704,John Campbell started the Boston

Newsletter, the first newspaper published daily in America. By 1760,America had more than thirty

daily newspapers. There are now about l,800 daily papers in the USA.

     Today, as a group, English language newspapers have the largest circulation(发行量) in the world.

But the largest circulation for a newspaper is that of the Japanese newspaper Asahi Shimbun.lt sells

more than eleven million copies every year.

l. When was the earliest daily newspaper started?    

A. In 59 BC.          

B. In 1620.

C. In l621.            

D. In 1702.

2. Where was the first regular published newspaper in English printed? 

A. In Rome.            

B. In Amsterdam.

C. In London.          

D. In Boston.

3. _____ printed the first American newspaper in Boston.   

A. Benjamin Harris      

B. John Campbell

C. Tom                

D. Thomas Edison

4. How many more newspapers are there in America  now than that in 1760? 

A. 1,700.  

B. 1,750.  

C. 1,770. 

D. 1,800.

5.  _____ have the largest circulation.     

A. Chinese language newspapers

B. English language newspapers

C. Japanese newspapers

D. Asahi Shim bun