解方程:7x(2x-3)=4(3-2x)

题型:解答题

问题:

解方程:7x(2x-3)=4(3-2x)

考点:一元二次方程的解法
题型:解答题

下列叙述中不正确的是()

A.油脂属于高分子化合物

B.油脂是高级脂肪酸与甘油所生成的酯

C.油脂是混合物

D.油脂氢化的目的是提高油脂的熔点和稳定性

题型:解答题
A certain student passed all his examinations. Then he went to college to  21  his studies. There he wrote down his  22 for a course in English, but after the first 23 , he didn’t go to it any more.
The English lecturer 24_this student was always absent (缺席的) and thought he had  25_to another course, so he was  26  when he saw the boy’s name on the list of students who wanted to take the English  27at the end of this year.
The lecturer had  28 a difficult paper, which followed his  29 closely, and he was eager (热切的) to see  30 this student would answer the questions. He  31__the boy’s answers would be very bad, but when they  32 him and he examined them  33 , he was able to find only one small mistake in them. As this surprised him greatly, he  34 the paper repeatedly but still couldn’t find more than one mistake, so he  35 for the student to question him about it.
When he came and sat down, the lecturer asked him, “I  36 you came to my first lecture and you’ve been absent from all the others. But I’ve examined your  37 carefully and I’ve found only one small mistake in it. I’m curious (好奇的) to know your  38 .”
“I’m very  39  about that mistake,” answered the student. “After the examination, I  40  what I should have done. I would not have made that mistake if I had not been confused by your first lecture.” 
小题1:
A.valueB.continueC.improveD.begin
小题2:
A.questions B.adviceC.problemsD.name
小题3:
A.week B.lecture C.meetD.sight
小题4:
A.astonished B.regrettedC.noticed D.believed
小题5:
A.led B.devotedC.goneD.changed
小题6:
A.surprised B.angryC.pleasedD.unhappy
小题7:
A.testB.subjectC.noteD.course
小题8:
A.discovered B.preparedC.invented D.found
小题9:
A.ideasB.sensesC.lecturesD.texts
小题10:
A.whenB.whatC.why D.how
小题11:
A.hopedB.provedC.expectedD.wished
小题12:
A.showed B.gave C.handedD.reached
小题13:
A.carelessly B.carefullyC.slowlyD.happily
小题14:
A.enjoyedB.keptC.didD.examined
小题15:
A.caredB.called C.sentD.looked
小题16:
A.promiseB.know C.advise D.guess
小题17:
A.lessonsB.paperC.notebookD.exercises
小题18:
A.wisdom B.experienceC.methodD.explanation
小题19:
A.gladB.proudC.content D.sorry
小题20:
A.realizedB.understoodC.rememberedD.suffered
题型:解答题

现场急救第一个参与救护者是()

A.伤病者

B.急诊医生

C.家属

D.急诊护士

E.第一目击者

题型:解答题

2个月小儿应接种()

A.麻疹疫苗

B.乙型脑炎疫苗

C.脊髓灰质炎疫苗

D.百、白、破混合制剂

E.乙肝疫苗

题型:解答题

大型锅炉安装必须使用施工电梯。施工电梯出口处必须设()。

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