把3米长的绳子平均分成4份,每份占全长的34.______(判断对错)

题型:解答题

问题:

把3米长的绳子平均分成4份,每份占全长的 
3
4
.______(判断对错)
考点:分数除法的意义,分数除法的计算法则
题型:解答题

下列各项,属妇女主要生理功能的是()

A.经、带、孕、产、乳

B.经、带、胎、产

C.经、带、产、乳

D.经、孕、产、乳

E.经、孕、胎、产

题型:解答题

患者女,50岁,不小心造成手指外伤1周,当时未处理。后逐渐伤口处溢脓,发热,并感张口困难。患者轻度烦躁不安,体温39.1℃,脉搏105次/分,神志清楚,口只能张开一半。WBC:16×109/L。应考虑的诊断是()。

A.化脓性脑膜炎

B.败血症

C.破伤风

D.脓毒败血症合并颅脑转移性脓肿

E.败血症并破伤风

题型:解答题

硝酸甘油()
青霉素G()
肾上腺素()

A.口服有首关消除

B.口服后在碱性肠液中被破坏

C.口服后遇胃酸易被分解

D.口服产生剧烈呕吐

E.口服后对胃肠道有刺激性

题型:解答题

根据短文内容,从短文后的选项中选出能填入空白处的最佳选项。选项中有两项为多余选项。

(Linguistic(语言学的) Puzzles

     How did language begin? What was the world's first language? Do all languages come from one

original language?   1._____.

     In the 4th century BC, the Greek historian Herodotus wrote this account: Psamtik  I,an Egyptian

King, wanted to find out what the oldest language in the world was.  2.____.He told his servant to find

two newborn babies. When the servant had found them, the king gave them to a shepherd (牧羊人) and

said, "Keep these babies with the goats. Take care of them, but do not talk to them. Listen to any words

that they say." The king wanted to find out what language the children would speak if they were left alone. He said, "The first words they speak will come from the original language of the world."

     3._____  . He told the king who asked his scholars about this word. They told him that the Phiygians, who lived in an area which is now Turkey, called bread "becos".The king said, "Then Phiygian is the

oldest language." Today we know that the king's conclusion was wrong. We don't know why the children

said "becos".

      4._____. Scholars discovered that many European and southern Asian languages belonged to the

same "family" and that they started from the same parent language, ProtoIndoEuropean. Linguists think

that it had split into several different languages, including Greek and Sanskrit, between 2000 and 1000

BC. Other languages, such as English and Spanish, developed from later splits.

     5._____ . Two questions that interest linguists are: How does language change? Why does language

change? If you like solving mysteries, historical linguistics may be the job for you.

A. Nowadays, we study the origin of language more scientifically

B. He was talking about this problem with his scholars when he had an idea

C. The King was very kind to his servant and his servant remained royal to him

D. Linguists are the scholars who are very interested in categorizing the language families

E. People have been trying to find the answers to these questions for more than 2000 years

F. One day, while the babies were babbling to each other, the shepherd heard them say "becos"

G. Linguists have classified many language families, and they are still trying to categorize others

题型:解答题
理想变压器原线圈接在如图所示的电压上,原副线圈匝数之比为10:1,串在原线圈上的电流表的示数为1A,则以下叙述正确的是(  )

A.变压器输出功率为200W

B.若n1=100匝,则输出端线圈的磁通量变化率的最大值为2Wb/s

C.副线圈两端的电压表示数20V

D.变压器的输入功率是由发电厂的输出功率决定的

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