如图所示,清晨,草地或树木上的露珠下面的叶脉看起来比较大,这是露珠产生_____

题型:填空题

问题:

如图所示,清晨,草地或树木上的露珠下面的叶脉看起来比较大,这是露珠产生______镜功能的结果,形成了______、______的虚像,这是由于光的______形成的.

考点:凸透镜对光的作用
题型:填空题

下列词语中划线的字读音全都正确的一组是

A.心(mèi)脑(suí)连公府(pì)残冷炙(gēng)

B.节(máo)败(xiáng)鲈鱼堪(huì)斧钺汤(huò)

C.厚 (luò)柱(nì)天无涯(qiàn)专制暴(héng)

D.对(guǐ)牧(dī)繁文节(rù)咄逼人(duō)

题型:填空题

阅读理解.

根据短文内容选择正确答案.

     A computer company (电脑公司) has a special (特殊的) person. He answers all the questions sent

to him. The person is a 63-year-old man. He is known for always finding the right answers. On the Internet(因特网), more people are finding out about this clever man. He does not look like a computer expert

(专家). He has white hair and he is kind and polite. He feels that his age helps him with his work. People

have asked questions about a lot of things and he remembers most of them.

     He tries to return the answers within 24 hours on the Internet. The questions are very different each

day. He loves his work. Other companies do riot have such a person. Of course they don't have to pay

any more money, either. But it's important for good computer companies to have a person to answer the

questions. It keeps the computer buyers happy. Happy buyers will keep coming back.

1. How does the special person answer the questions?

    A. He answers the questions in the letters, then he sends them off in the post office.

    B. He asks the people to come to the company and get the answers.

    C. He answers the questions on the Internet.

    D. He asked others to answer the questions instead.

2. People know him because _____.

    A. he is the head of the company

    B. he has white hair and he is kind and polite

    C. he does not look like a computer expert

    D. he can always find the right answers to their questions

3. Which of the following sentences has NOT been mentioned (提及)?

    A. He remembers almost all the things that people ask about.

    B. He's old and he doesn't have to work at all.

    C. He thinks that his age is helpful.

    D. He is 63 years old.

4. What will happy computer buyers do?

    A. They'll stop asking questions.

    B. They'll stop buying because they have what they want.

    C. They'll go to other computer companies for cheaper computers.

    D. They'll come back for more business.

题型:填空题

下列变化或应用能表现出物质的某种化学胜质的是(  )

A.用酒精作燃料

B.用石墨作电极

C.汽油挥发

D.石蜡受热熔化

题型:填空题

阅读下面文章,回答第1—6题。 

捡到金子之后 

王 茜

       在一片峡谷中,住着一个牧童和他的妈妈。为了生存,牧童每天都要上山砍柴、放羊,日子很苦。牧童真希望自己能得到一块金子,哪怕很小。 

       这天,牧童又上了山。

       望着人迹罕至的山脊,荒凉而贫瘠的土地,颤巍巍地矗立在山坡上的可怜的小木屋,他不禁叹了口气,一屁股坐在地上。“哎哟!”牧童突然跳了起来。地上隐约有一束金光射来——金子!牧童瞪大了眼睛,一捋袖子,使劲地挖起来。好大的一块!牧童兴奋地抱起金子,飞一般下山去了。 

     “我挖到金子了!”牧童喊着,跑进屋,双手把金子捧到妈妈面前。 

       妈妈注视着牧童的一举一动,没有说一句话,轻轻将牧童拉到身边…… 

       牧童不解地望着妈妈。 

       妈妈感叹道:“那不属于你的金子,它没有什么价值。相反,它也许会给你带来厄运。” “不,它能使我们富裕。”牧童争辨着。妈妈摇了摇头。 

       牧童感到失望而愤怒,他抱紧金子,说:“我要证明给你看。”然后,他跨出了家门。

       牧童来到一个小镇。他将金子背在背上,手里攥(zuàn)着敲下的一小块,走进一家首饰店。老板将这一块金子举到眼前,用狐疑的眼光瞟了牧童两眼,说:“你从哪儿弄来的?” “山上捡的。”牧童随口说了句,便赶紧闭了嘴,抢过金子,快步走出了店铺。

       他走进酒店,走进衣店,走过大街小巷,处处都有人投来狐疑的目光。牧童渐渐害怕起来。

       傍晚,牧童心惊胆战地走在无人的街上,心中涌起不祥的预感。 

     “把你的包放下。”突然,一个可怕的声音从背后传来。

       牧童猛地一回头。那人伸手就抢包,牧童赶紧护住。几个回合,牧童有些不支。就在此时,只见一位道士一闪而出,弹指一击,那人立即倒地。牧童目瞪口呆,赶紧屈膝相谢。道士却已渐渐远去,只给他留下一句话:

      “只有自己创造的东西才属于你。” 

       猛然间,牧童想起他妈妈的话,懊悔万分。

       当晚,牧童离开了小镇,在一个偏僻的地方,将金子埋进深深的地下,他不愿再让这金子迷惑他人。 

       牧童终于又回到了山沟里。他不再企求金子,而是开始用自己的双手创造生活:植树种草,开荒种田,放羊养牛,还养花种果树,凡是能做到的,他都尽力去做。

       秋天,牧童爬上高高的山顶,遥望洒满自己汗水的山谷。多美啊!生机盎然的山林,处处是鸟语花香;绿茵茵的草地上,成群的牛羊在悠闲地吃草;美丽的果林散发着浓浓的芳香;当年山坡上的木屋如今变成了“美丽的空中楼阁”;盛开的花圃把山坡装点得格外迷人......一切都变了。 

     “我的金子。”牧童自豪地说。

1、速读完这个故事,让你明白了什么道理?

 ________________________________________________________________________________________

2、作者围绕“金子”精心安排了文章的思路。请再读文章,理清作者的思路,在括号内填写简洁而合适的内容。

     希望得到金子——(             ) ——金子带来厄运——(             )

3、文章中划线的句子在结构上起何作用?道士说的“只有自己创造的东西才属于你。”又有何作用?

 ________________________________________________________________________________________

4、道士留下的“只有自己创造的东西才属于你”这句话的言外之意是什么?文章结尾处“‘我的金子。’牧童自豪地说。”这里的“金子”指的是什么?

答:______________________________________________________________________________________

       ______________________________________________________________________________________

5、牧童从开始“抱”着金子到后来将金子深“埋”地下,他前后不同的举动表明了什么? 

 ________________________________________________________________________________________

6、在下面的横线上填写相应的内容。

 金子,在不同人的眼里有着不同的含义。

 守财奴说:金子是我的生命。化学家说:金子是一种贵重金属。

 创业者说:_________________________________________________________________。

 我说:___________________________________________________________________

题型:填空题

进入目标市场的差别性市场策略的指导思想是()。

A、不同的消费者对商品的需求完全相同

B、不同的消费者对商品的需求基本相同

C、不同的消费者对商品的需求也不同

D、不同的消费者对商品的需求也相同

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