试题与答案

One and a half bananas ____ left on the

题型:选择题

题目:

One and a half bananas ____ left on the table.

A.is

B.are

C.has

D.have

答案:

答案:A

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题型:完形填空

Once, a rich man was near death. He was very upset because he had worked so hard for his money   小题1:   he hoped he could take it with him to heaven. So he prayed to God he might be able to take some money with him.

  小题2:   angel heard his pray and appeared. “Sorry,   小题3:   you can’t take your wealth with you.” The man begged the angel to speak to God to see    小题4:   he might break the rules. The angel reappeared and said that God could allow him to take one suitcase. Excitedly, the man gathered his suitcase and filled it    小题5:   pure gold bars.

Afterward, he died and showed up in heaven to greet St. Peter.    小题6:  (see) the suitcase, St. Peter said, “Hold on, you can’t bring that here!” The man explained that he had God’s    小题7:   (permit). St. Peter checked it out, came back and said, “You are right. You are allowed one carry-on bag, but I’m supposed to check its contents (内容)    小题8:   letting it through.”

St. Peter opened the suitcase to inspect the things    小题9:   the man found too precious to leave behind and exclaimed (感叹), “You brought pavement? As you can see, the great street of the city of heaven  小题10: (make) of pure gold!”

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题型:填空题

在有机化工生产中,下图是合成某种聚酯纤维H的流程图。

已知:A、D为烃,质谱图表明G的相对分子质量为166,其中含碳57.8%,含氢3.6%,其余为氧;G能与NaHCO3溶液反应且含有苯环;核磁共振氢谱表明E、G分子中均有两种类型的氢原子,且E分子中两种类型的氢原子的个数比为1∶1。

(1)①、③ 的反应类型依次为                    、                       

(2)B的名称为:                    ;E的结构简式为:                     

(3)写出下列化学方程式:

                                                                          ; 

                                                                         

(4)F有多种同分异构体,写出同时符合下列条件的所有同分异构体的结构简式            

a.含有苯环且苯环上只有2个取代基

b.能与NaOH溶液反应 

c.在Cu催化下与O2反应的产物能发生银镜反应

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