Because of the bad weather, the sports meet had to be ________.
A、shut down
B、done away
C、gone off
D、called off
【正确答案】 D
【答案解析】 本题考查词义辨析。call off：取消，符合句意。shut down：关闭（工厂）；（工厂）停工，关闭。do away常与with搭配，构成do away with。go off：爆炸，（闹铃）响。
In 2006, Blackburn, of the University of California, San Francisco, and Greider, of Johns Hopkins University in Baltimore, shared the Lasker prize for basic medical research with Jack Szostak of Harvard Medical School. Their work set the stage for research suggesting that cancer cells use telomerase to sustain their uncontrolled growth.
The research by Blackburn and Greider helps suggest the role of______.
A、money in medical research
B、proteins in cancer treatment
C、hormones in the functioning of life
D、telomerase in the growth of cancer cells
【正确答案】 D
【答案解析】 答案选D。本段的最后一句话表明，研究显示癌细胞利用端粒酶来支持其无限增殖，而这几位科学家的工作为这种研究打下了基础。
Writing for the content sites such as the Yahoo! Contributor Network also interests me. I’ve been trying creative writing, news, reviews and numerous lifestyle issues. And all of these topics have been of my own choosing. Then there is the opportunity to meet other writers. The Yahoo! Contributor Network has a wonderful in-house messaging system that allows its writers to communicate easily with one another. Not all your tries are rosy and easy when you write for a content site, but you will get much benefit if you try it.
What is the benefit that the Yahoo! Contributor Network offers according to the author?
A、You can have all your articles published.
B、You can get a lot of rewards from the site.
C、You can easily communicate with other writers.
D、You can use its information and messages free.
【正确答案】 C
【答案解析】 答案选C。根据本段的The Yahoo! Contributor Network has a wonderful in-house messaging system that allows its writers to communicate easily with one another确定C答案。
If payment is not received, legal action will be our only_______.
A、aggression
B、advantage
C、alternative
D、ambition
【正确答案】 C
【答案解析】 译文：如果我们收不到付款，那就只好诉诸法律了。
试题分析：词义选择题。
详细解答：A 挑衅、侵犯；B 优势、优点；C 选择、取舍；D 野心、抱负。
热点查看：《英语》练习题2
热点查看：《英语》练习题2
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