So although Fleming discovered penicillin, it...

So although Fleming discovered penicillin, it was over a decade ___________someone else turned penicillin into the great drug of the 20th century.

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Although Fleming discovered Penicillin, it was over a decade ______ someone else turned it into the great drug of the 20^th century.

A．before           B．since             C．when             D．as

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Alexander Fleming noted that it was a dish 　 　　 he was trying to grow bacteria for an experiment ____looked abnormal.

A. where; which　　 B. which; which

C. that; that　　 D. in which; that

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— Why was it so noisy over there?

— The Twins were surrounded by their fans ____ they stepped out of the hall.

A. until        B. the moment       C. in case       D. so that

高二英语单项填空中等难度题查看答案及解析

— Why was it so noisy over there?

— The Twins were surrounded by their fans ____ they stepped out of the hall.

A. until　　　　　　 B. the moment　　　　 C. in case　　　　 D. so that

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It is a matter of common observation that although incomes keep going up over the years，people never seem to become much better off! Prices are rising continuously．The condition is termed(称作) one kind 0f inflation, the money supply is becoming inflated so that each unit of it becomes less valuable．People have got used in recent years to higher and higher rates of inflation．

What could be bought ten years ago for one dollar now costs well over two dollars. It seems that this rate of inflation is tending to rise rather than to fall．If in the real world our money incomes go up at the same rate as prices，one might think that inflation does not matter．But it does when money is losing value，it lacks one of the qualities of a good money---stability (稳定) of value．It is no longer acceptable as a store of value；and it becomes an unsuitable standard of deferred(延期) payments．Nobody wants to hold a wasting possession，so people try to get rid of money as quickly as possible. Inflation therefore stimulates people spending，and prevents people from saving.

1.

What does inflation mean?

A．People’s money becomes more valuable

B．The problem of employment will be solved．

C．It’s easier for people to find better paying jobs．

D．Money keeps losing its value．

2.

From the passage．we can know inflation __________.

A．seldom happens                   B．is very common at present

C．is a must                            D．has become less in recent years

3.

According to the passage，if incomes and prices rise together ______

A．the business will become better      B．money will hold its value

C．inflation won’t be a problem D．inflation will remain to be a problem

4.

In a period of inflation，people are likely to  ______  ．

A．put much money on the stock market(股市)

B．stop spending money

C．hold on to money as a dependable possession

D．spend money as soon as possible

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Although the country has had political independence for over a century,_______ it needs support of its neighbors..（　　 ）

A．naturally　　　 　　 B．fortunately

C．particularly　　　　 D．economically

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Easter Island, which was almost uninhabited when it was discovered on Easter Day in 1722 by a Dutch captain, is covered with hundreds of giant statues, each ______ several tons.

A. weighing　　 B. weighs

C. weighed　　 D. to weigh

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Mr. Jenkin regretted ______ his secretary for the mistake, for he later discovered it was his own fault.

A. to blame       B. being blamed      C. blamed       D. having blamed

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---- ______was it______ you discovered  the secret of his?

-----Totally by chance .

A. How; that   B. How; when   C. What; that   D. What; when

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