发布时间:2021-04-11 05:31:27
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1、After crude oil is extracted from a well, it is usually piped to a refinery.(单选题)
A. unrefined
B. toxic
C. transparent
D. turbid
试题答案:A
2、The government is believed to be considering passed a law making it a crime to import any kind of weapons.(单选题)
A. to pass
B. to have passed
C. passing
D. having passed
试题答案:C
3、______(单选题)
A. best
B. justice
C. fair
D. worst
试题答案:D
4、What did the researchers learn from the second step?(单选题)
A. The trees in the new forest were in different size.
B. The insects in the new forest had a different taste.
C. Tamarins could get used to the new environment.
D. Above 80% of tamarins survived.
试题答案:C
5、Advances in biological knowledge have __________.(单选题)
A. kept pace with those in physics
B. been responsible for the invention of new machines
C. surpassed those in physics
D. lagged behind those in physics
试题答案:D
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