根据研究需要,可从多个角度对物质进行分类,以下对物质的分类说法中,不正确的是(

题型:选择题

问题:

根据研究需要,可从多个角度对物质进行分类,以下对物质的分类说法中,不正确的是(  )

A.能与碱反应生成盐和水的氧化物称为酸性氧化物

B.在水溶液中能够电离出H+的化合物都成为酸

C.电离时生成的阴离子全部是OH-的化合物成为碱

D.在水溶液中或熔融状态下能够导电的化合物成为电解质

考点:物质的简单分类电解质、非电解质
题型:选择题

Talking to Teachers—Teachers are just people.Behind that desk, is a living, breathing human being.And just like any human being, they will probably be friendly to people who talk nicely to them.Teachers also seem to get along better with children who take schoolwork seriously and are prepared for class.And, just like any other human being, teachers like to be appreciated.The next time your teacher helps you solve a math problem or figure out a science project, say thank you with a smile.

Talking to Parents—Parents can be very supportive if their children ask for help.If you think there’s something your parents can do to help you socialize more or feel more comfortable around people, then ask them.Very often, parents want very much to help, but really don’t know what to do.Pick a quiet time of the day and ask to talk.Tell them how you feel.Maybe they had the same trouble when they were kids.

Talking to Stranger —This is always a tough one.How do you deal with a neighbor, the mail carrier, or someone walking down your street—situations that often seem to cause arguments between kids and parents.The answer to these questions will vary(变化) from kid to kid, from parent to parent because all cultures are different.Some folks live in small towns where a hello to everyone is “what’s done”.Then there are kids who live in the city who may have been taught not to speak to anyone they don’t know.If you’re having trouble with this and always feel awkward in these kinds of situations, you might want to talk to your parents or a teacher about it.Where do they think you should draw the line(线)? When is silence rude and when is it wise?

小题1:From the first paragraph we may learn that teachers dislike____ .

A.being talked to nicely

B.their students to be serious with the schoolwork

C.the students’ appreciation

D.the students who are not ready for classes小题2:If your parents are not supportive and you are not getting along quite well with your parents, who or what is to blame(该受责备)?

A.Your parents.        B Yourself.        

C.Lack of communication.   D .Your teachers.

小题3:The underlined word in the third paragraph is close in meaning to____.

A.fond

B.puzzled(困惑的)

C.frightened

D.willing小题4:The passage doesn’t say but it implies that in daily communication____.

A.arguments often happen between kids and parents

B.we should talk to the neighbors and other people according to different cultures

C.city people and country people greet in the same way

D.we should fit(使…符合) our words with proper situations

题型:选择题

搅拌罐是静置设备中的()。

A.反应设备

B.分离设备

C.换热设备

D.容器类设备

题型:选择题

下列句子可以组成一则会话。根据提示,请排列出顺序。  

A. Yes, I can.  

B. Do you want to join the art club?  

C. Can you paint?   

D. What club do you want to join?  

E. Can you swim?  

F. No, I can’t.  

G.Yes, I do. 

H. I don’t know.

1.          2.____  3.          4.____  5.          6.____  7.____ 8.____

题型:选择题

在我国境内未设机构、场所的外国公司向我国企业转让生产设备的所得,应该 ( )。

A.按转让收入全额的10%计算企业所得税

B.按转让收入减除财产原值后的10%计算企业所得税

C.按转让收入减除财产净值后的10%计算企业所得税

D.免征企业所得税

题型:选择题

读世界部分地区图,图中阴影为地面季风的地理分布区,完成下列问题。

关于图中①、②两地季风的说法,不正确的是()

A.①地1月盛行西北季风,7月盛行东南季风

B.②地夏季风成因与气压带、风带季节移动有关

C.②地某年若夏季风来得迟,退得早,则该年易产生洪涝灾害

D.①地冬季风势力强于夏季风,②地夏季风强于冬季风

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