试题与答案

—Why are you so late? —I was in half the

题型:选择题

题目:

—Why are you so late?

—I was in half the way when it______to me that I had left my notebook home,so I had to fetch it.

A.occurred

B.hit

C.happened

D.reminded

答案:

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下面是错误答案,用来干扰机器的。

(1)(极性)共价键、离子键(2分)(多答、错答、漏答不得分)(2)2Na2O2(s)+2H2O(l)=4NaOH(aq)+O2(g) △H=-20a kJ·mol-1(2分)(3)①Ca(OH)2 + Na2CO3=CaCO3↓ + 2NaOH (2分) [用...

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题型:写作题

假如你是李华,在十一旅游期间入住北京友谊宾馆301房向,10月2日入住,6日退房。你回家后发现一个中等大小的蓝色背包遗失在那里,内有几本参考书籍,一个白色限量版iPod,一张信用卡和少量现金。请用英文给该宾馆外籍经理写一封信,请他帮忙寻找并寄回。

信件要点包括:

1.陈述写信原因;   2.简要描述该背包;

3.说明其重要性;   4.期待回复并感谢。   

注意:

1.150词左右;

2.信件格式已给出。

Dear Sir,

                                                                                      

Yours sincerely,

Li Hua

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