x3x﹣3=_________;a6÷a2a3=_________;20+2﹣1

题型:填空题

问题:

x3x﹣3=_________;a6÷a2a3=_________;20+2﹣1=_________

考点:零指数幂(负指数幂和指数为1)
题型:填空题

阅读下面的短文,并根据短文后的要求答题。(请注意问题后的词数要求)

[1]The government employs many people to take care of our city. However, these professionals can not help out everyone by themselves. They need our help!

[2]Volunteering is something that really helps as individuals. Volunteering is when we regularly go and do nice things for other people. Volunteers may help out in local retirement homes, or in hospitals. Some volunteers work with poor people and other volunteers help teach orphaned children to read.

[3]Volunteering teaches mature thinking. Volunteering gives us a chance to stop complaining about our lives and realize exactly how lucky we are. We are able to see the people who really need the help. Volunteering also teaches more about the quality of being responsible for others and ourselves, the character of giving understanding and showing pity to others in trouble.

[4]Volunteering gives us a chance to our share of the work of making this society the best it possibly can be. It helps us feel good about ourselves when we can help those who rally need our help. When we can make somebody else feel special, it helps us remember what life is really about.

[5]There are many places that you can go to try volunteering. Here are a few places for you

◆Hospitals—You can go and visit people who are really sick. Sometimes all they need is someone who will talk with them, or someone

◆Orphanage—The children living here really need someone to play with them.

◆Food shelter—Many food shelters can really use more people willing to just organize the shelters and help distribute the food to those who need it.

◆Community center—Although a lot of community centers are well run, some of them can really          , especially with cleaning and with repairs.

◆Retirement home—Many of the elderly people living here have lived very fascinating lives. Lister to them.

Whatever you decide to do, just do the best you can. Remember that giving can be its own reward!

小题1:What’s the main idea of Paragraph 2?(no more than 10 words)

                                                  .

小题2:According to the underlined part of Paragraph 3, list three words that can summarize what volunteering can also teach us about.

            ②                  

小题3:Which sentence in the passage is the closest in meaning to the following one?

We will understand the real meaning of life if we let others feel they are different.

                                                  

小题4:Fill in the blank with proper words(no more than 5 words)

                                                  

小题5:Please translate the underlined sentence in Paragraph 4.

                                                  

题型:填空题

轻度中暑的临床表现有()

A.面色潮红、皮服灼热、胸闷、心悸

B.大量出汗后出现肌肉痉挛性疼痛

C.体温在38℃以上

D.有早期周围循环衰竭的表现如多汗、血压下降等

E.面色苍白、四肢皮肤湿冷

题型:填空题

如图所示,小车以2m/s2的加速度水平向右做匀减速运动.其光滑底面上有一质量为4kg的物体.一轻弹簧其两端分别固定在车厢右侧和物体上.它们都相对于车厢静止.则(  )

A.弹簧被压缩,弹力大小为2N

B.弹簧被压缩,弹力大小为8N

C.弹簧被拉伸,弹力大小为2N

D.弹簧被拉伸,弹力大小为8N

题型:填空题

如何设计连锁企业品牌形象主题、视觉识别系统和行为识别系统?

题型:填空题

加氯(氨)间外部应备有防毒面具、抢救材料和工具箱。防毒面具应严密封藏,以免失效。()和通风设备应设室外开关。

A.报警器

B.加氯机

C.照明

D.氯瓶

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