2009.12 英语四级考试完型备考练习05
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综合题，请根据题目给出的内容，来回答下面给出的试题。
Industrial safety does not just happen. Companies _41_ low accident rates plan their safety programs, work hard to organize them, and continue working to keep them _42_ and active. When the work is well done, a _43_ of accident-free operations is established _44_ time lost due to injuries is kept at a minimum.
Successful safety programs may _45_ greatly in the emphasis placed on certain aspects of the program. Some place great emphasis on mechanical guarding. Others stress safe work practices by _46_ rules or regulation. _47_ others depend on an emotional appeal to the worker. But, there are certain basic ideas that must be used in every program if maximum results are to be obtained.
There can be no question about the value of a safety program. From a financial standpoint alone, safe _48_ . The fewer the injury _49_ , the better the workman's insurance rate. This may mean the difference between operating at _50_ or at a loss.
Successful safety programs may _45_ greatly in the emphasis placed on certain aspects of the program. Some place great emphasis on mechanical guarding. Others stress safe work practices by _46_ rules or regulation. _47_ others depend on an emotional appeal to the worker. But, there are certain basic ideas that must be used in every program if maximum results are to be obtained.
There can be no question about the value of a safety program. From a financial standpoint alone, safe _48_ . The fewer the injury _49_ , the better the workman's insurance rate. This may mean the difference between operating at _50_ or at a loss.
请根据上面给出的内容，来回答下面的单项选择题（下列每小题备选答案中，只有一个符合题意的正确答案。每小题0分，共10题。）
1.
A ：at
B ：in
C ：on
D ：with
B ：in
C ：on
D ：with
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2.
A ：alive
B ：vivid
C ：mobile
D ：diverse
B ：vivid
C ：mobile
D ：diverse
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3.
A ：regulation
B ：climate
C ：circumstance
D ：requirement
B ：climate
C ：circumstance
D ：requirement
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4.
A ：where
B ：how
C ：what
D ：unless
B ：how
C ：what
D ：unless
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5.
A ：alter
B ：differ
C ：shift
D ：distinguish
B ：differ
C ：shift
D ：distinguish
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6.
A ：constituting
B ：aggravating
C ：observing
D ：justifying
B ：aggravating
C ：observing
D ：justifying
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7.
A ：Some
B ：Many
C ：Even
D ：Still
B ：Many
C ：Even
D ：Still
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8.
A ：comes off
B ：turns up
C ：pays off
D ：holds up
B ：turns up
C ：pays off
D ：holds up
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9.
A ：claims
B ：reports
C ：declarations
D ：proclamations
B ：reports
C ：declarations
D ：proclamations
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10.
A ：an advantage
B ：a benefit
C ：an interest
D ：a profit
B ：a benefit
C ：an interest
D ：a profit
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