It is interesting to contrast the word ______ with the word chance. Chance also ______ some doubt about the outcome in a ______ situation, the difference is that the outcome is normally a ________ outcome. We talk about the ______ of an accident, the ______ of losing our job, but we talk about the _______ of winning a bet, the ________ of passing an exam.
Put the best word or phrase in the blanks:
Electrical energy ________ from the sun in a round-about way is the most widely used today.
A. coming B. to come C. come D. having come
A _________ achievement of electronics is electronic computers.
A. widely knowing B. being widely known
C. widely known D. having widely known
Now the need __________ other peoples' language is becoming greater and greater.
A. to learn B. learning C. to be learned D. being learned
Some of the experiments _______ in the book are easy to perform.
A. describing B. to be described C. described D. to describe
Electric charges ________ in a circuit can do work.
A. flowed B. flowing C. having flowed D. being flowed
The "picture writing" ________ long long ago is hard for us to understand today.
A. drawing B. to be drawn C. to draw D. drawn
The noise of desks _______ could be heard out in the street.
A opened and closed B. to be opened and closed
C. being opened and closed D. having been opened and closed
Statistics is a discipline _________ all the other sciences.
A. affected B. affecting C. to be affected D. being affecting
Power station employs ________ water to produce electricity.
A. falling B. fallen C. filling D. filled
The order ________ pumps will come from the control room.
A. stopping to B. to stop C. stopped D. stops
Put the following passage into Chinese:
Looking back over the history of mankind, we can certainly see the effect of risk. It has had its negative impact, but it is also true to say that there have been many positive outcomes from the ways in which people have been prompted to respond to risk. Think of the great explorers of the middle ages; they were certainly risk takers, as they ventured off into unknown parts of the globe. Many of the great steps forward in medicine have been achieved at the personal risk of those researchers who were prepared to test drugs and treatments.

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