某市售浓硫酸中溶质的质量分数为98%,密度为1.84g/cm3. (1)该浓硫酸

题型:问答题

问题:

某市售浓硫酸中溶质的质量分数为98%,密度为1.84g/cm3

(1)该浓硫酸中H2SO4的物质的量浓度为______;

(2)欲配制250mL2.0mol/L的稀硫酸溶液,需要取上述浓硫酸______mL?

考点:物质的量浓度
题型:问答题

狭义的资本结构是指()。

题型:问答题
完形填空(共20小题,每小题1分,满分20分)
阅读下面短文,从短文后各题所给的四个选项(A、B、C和D)中,选出可以填入空白处的最佳选项。
Our three-year-old daughter Becky wanted a dog. But we were too busy to buy one. One day, Becky ran in, shouting, “Mom! Come to see my dog!” Her face was red with   1 .
I followed her to the bush and found a   2 ! He was hurt. Seeing me, he stood up   3 ! I could see his teeth! God! My mouth felt dry. “Don’t be afraid. That’s Mom. She  4 you, too.” Becky said. Then he became friendly. It was  !
I   6  to find my husband and told him about the wolf. We should have  7  the wolf, but Becky loved him. Besides, he was gentle(温柔的) to Becky. So we called the vet finally.
Becky named the wolf (狼) Ralph ,  8  she carried food to him every day. Later, Ralph got well. They played together in the daytime. At night, Ralph would return to the mountains. Sometimes he   9  but came back several days later.
On Becky’s first day of school, we could see Ralph’s   10 . After the school bus left, Ralph lay by the side of the road and   11  . When Becky returned, he got happy again. This   12  throughout Becky’s school years.
Twelve   13  passed.
One day we heard that a she-wolf was killed. The other wolf was hurt and ran away. We were   14  about Ralph. That night, Ralph returned with a wound (伤). Fifteen-year-old Becky held his head and   15  him. We hope he could come through. However, he   16 .
Becky cried. I noticed something strange in the bush — two little yellow eyes! Ralph’s  17 ! Before he died, Ralph   18  his child to us! He knew he would be  19  here, as he had been. Ralph, Ralph. I was   20 .
“Don’t be afraid, little ... Ralphie. That’s Mom. She loves you, too.”
小题1:
A.encouragementB.entertainmentC.agreementD.excitement
小题2:
A.dogB.foxC.wolf D.tiger
小题3:
A.lovelyB.finallyC.suddenlyD.patiently
小题4:
A.hurtsB.lovesC.killsD.hates
小题5:
A.wonderfulB.unhappyC.unbelievableD.normal
小题6:
A.preparedB.rushed C.pretendedD.wanted
小题7:
A.lovedB.foundC.damagedD.killed
小题8:
A.andB.butC.soD.or
小题9:
A.disappearedB.turnedC.passedD.came
小题10:
A.sadnessB.dreamC.understandingD.anger
小题11:
A.sleptB.leftC.sangD.waited
小题12:
A.stoppedB.joinedC.livedD.continued
小题13:
A.daysB.weeksC.monthsD.years
小题14:
A.surprisedB.puzzledC.worriedD.careful
小题15:
A.comfortedB.beatC.washedD.amused
小题16:
A.succeededB.diedC.criedD.woke
小题17:
A.motherB.fatherC.wifeD.child
小题18:
A.postedB.broughtC.soldD.threw
小题19:
A.safeB.happyC.warmD.friendly
小题20:
A.confusedB.disappointedC.moved D.frightened
题型:问答题
简便计算:
8×72×125102×3649×99+49900÷25.
题型:问答题

货币资金是指企业在施工生产经营活动中停留于货币形态的资金,包括( )。

A.流动资金

B.库存现金

C.短期负债

D.银行存款

E.各种其他货币资金

题型:问答题

中国通服千亿级卓越绩效企业的内涵是什么?

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