下列物理消毒包括：（）A、蒸汽B、煮沸C、红外线D、含氯消毒药物_爱下问搜题

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问题多项选择题

下列物理消毒包括：（）

A、蒸汽

B、煮沸

C、红外线

D、含氯消毒药物

答案

参考答案：A, B, C

完形填空

Big schoolbags have been a big problem for students for a long time. Maybe your schoolbag is too   1   to carry, and it troubles you a lot   2  you want to find out a book to read. Now e-textbooks will   3  you.
It is said that many Chinese middle schools are going to use e-textbooks. An e-textbook, in fact, is a small   4  for students. It is much   5  than a usual schoolbag and easy to carry. Though it is as small as a book, it can   6  everything for study. The students can read the text page by page on the   7  ，take notes   8  the pointer (屏写笔)，or even “hand in” their   9      to their teachers by sending e-mails. All they have to do is to press a button (按开关).
Some people say e-textbooks are good, but some say they may be   10  for the students’ eyes. What do you think of it?

D．comfortable

C．e-textbooks

填空题

用所给单词的适当形式填空。

1. My work is interesting but kind of (danger). (thief) are afraid of me.

2. People give me (they) money or get their money from (I).

3.—What your friend Jim do?

—He (be)a reporter.

4. Where does (Tom) grandma work?

5. Jim likes (talk) to people. He wants (be) a (report).