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单项选择题


Questions 16 to 20 are based on the following talk.

A． A nonprofit research organization in Washington.
B． A tax system research organization in Washington.
C． A senate organization in Washington.
D． An economic research organization in Washington.
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单项选择题A． We waste too much oil and so there is a high risk of accidents.B． There are too many oil tankers having accidents.C． Because we use so much oil there is a higher risk of accidents and oil spillage.D． If we don’t waste oil, we will have no accidents.

A． We waste too much oil and so there is a high risk of accidents.
B． There are too many oil tankers having accidents.
C． Because we use so much oil there is a higher risk of accidents and oil spillage.
D． If we don’t waste oil, we will have no accidents.

单项选择题What does the word enforced in the sentence After about a week of enforced consciousness, the rat begins showing some signs of strain. mean

A． reinforced
B． expelled
C． intensive
D． compelled