Many people use emails to communicate wi

题型:完形填空

问题:

   Many people use emails to communicate with each other. If you can surf the Internet, it is a great ________to send messages easily, _________ and as often as you like. It is

not necessary to find a pen or paper, and you don’t need an envelope or a stamp.

Are we missing anything if we don’t write paper letters to people? Most people would

probably________, “No, it is a waste of paper anyway, and this is a much ______way.”

However, I would like to ________.

I believe that this kind of letters people used to write were probably more important than billions of emails sent today. Of course, if people need to send quick message, ________ is the best. If time is important, email is useful. However, if you want really to get in touch with someone, a letter is more _________.

Though I’m a teenager, I have to say that I feel very ________to receive a letter in the mail. I love seeing my name written by hand on an envelope. You make ________ a cup of coffee, sit down in a comfortable place, _______your letter, and enjoy everything that the person puts into the letter for you. What a gift.

考点:问答题
题型:完形填空

Sam _____ some knowledge of the computer just by watching others working on it. 

A.brought up

B.put up

C.set up

D.picked up

题型:完形填空

下列反应属于氧化反应的是

A.氧化钙+水→氢氧化钙

B.碳酸氢铵→水+二氧化碳+氨气

C.二氧化碳+石灰水→水+碳酸钙

D.石蜡+氧气→水+二氧化碳

题型:完形填空

围手术期颅内压的常见影响因素有()。

A.PaC02

B.Pa02

C.血压

D.输注库血

E.颅内占位

题型:完形填空

双层筛系统程序开机前检查、清理的内容。

题型:完形填空

我们通常所说的“新时期”一般是指从()开始延续至今的一个开放性的阶段。

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