Don't drop your cigarette ends on the floor．You could fire to the house． [ ] A．cause B．make C．set D．start 题目和参考答案——青夏教育精英家教网—

题目内容

Don't drop your cigarette ends on the floor．You could ________ fire to the house．

[　　]

A．cause

B．make

C．set

D．start

答案：C
解析：

此题考查fire与动词的搭配。cause a fire“引起一场火灾”。make a fire“生起一团火，生火炉”。set fire to sth．＝set sth．on fire“放(纵)火烧掉”。

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CANBERRA (Reuters Life!) - Think twice before eating those dropped crumbs off your computer keyboard -- you might as well be eating off a toilet seat, according to a new study on the amount of germs on keyboards.

A study by British "Which? Computing" asked a microbiologist to examine for bugs on 33 keyboards in a typical London office, a toilet seat and a toilet door handle.

Four keyboards were judged potential health hazards and the microbiologist recommended the removal of one keyboard as it had 150 times the pass limit of bacteria -- five times filthier than the swabbed toilet seat.

"Most people don't give much thought to the grime that builds up on their PC, but if you don't clean your computer, you might as well eat your lunch off the toilet," said Sarah Kidner, the consumer magazine editor of "Which? Computing" in a statement.

The study found that eating lunch at desks is the main cause of a bug-infested keyboard. Dropped crumbs and food encourages the growth of millions of bacteria.

Poor personal hygiene, such as not washing hands after going to the toilet, may also add to the dirtiness of keyboards.

But despite the health hazard of a dirty keyboard, a survey of 4,000 people by the magazine found one in 10 people ever cleaned their keyboard while another two in 10 never cleaned their mouse.

Almost half -- or 46 per cent -- cleaned their keyboard less than once a month.

To clear out bugs, the magazine recommends users unplug keyboards, turn them upside down and shake them.

The purpose of the passage is .

A. tell us something about the keyboards.

B. warn people to clean the keyboards often.

C. tell us how to clean the keyboard

D. tell us the germs on keyboards

What do you think the expression “Think twice before eating those dropped crumbs off your computer keyboard” stands for?

A. Think several times before eating beside your computer

B. Don’t drop foods onto the computer keyboard.

C. Don’t eat foods dropped onto the computer keyboard.

D. Be careful when you are eating by the computer.

What are the main causes of a bug-infested keyboard?

A. Dropped crumbs and food encourages the growth of millions of bacteria.

B. Poor personal hygiene

C. Much dirt on the computer keyboard.

D. Dropped crumbs and food and Poor personal hygiene

"Which? Computing" is probably a name of .

A. An organization B. a newspaper

C. a report D. a magazine

Take care! Don’t drop ink on your shirt, for it _______ easily.

A. won’t wash out B. won’t be washed out

C. isn’t washed out D. isn’t washing out

Take care! Don’t drop the ink on your shirt, for it __ easily.

A．won’t wash out	B．won’t be washed out
C．isn’t washed out	D．isn’t washing out

Take care! Don’t drop the ink on your shirt, for it __ easily.

A. won’t wash out B. won’t be washed out C. isn’t washed out D. isn’t washing out

Take care! Don’t drop the ink on your shirt, for it __ easily.

A．won’t wash out	B．won’t be washed out
C．isn’t washed out	D．isn’t washing out

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