[单选题]
______
A .The eighth group received sugar pills that had no effect.
B .Fungus and molds in local food may be partly responsible for the high cancer rate in Linxian.
C .Linxian was chosen because the people there have an extremely high rate of cancer of stomach and esophagus （食道）。
D .Scientists warn that it is too soon to know if the effect would be the same among people in other countries.
E .They say a new study provide the first evidence that vitamins could reduce a person’s chance of developing cancer.
F .They want to find a way to improve the health of people in Linxian and other small towns in China.
参考答案(由小熊题库网聘请的专业题库老师提供的解答)
请点击↑↑↑ 查看官方参考答案 按钮
习题解析
请点击 查看官方参考答案 按钮
您可能感兴趣的题目
1 .______
A The development of the material is timely. B And last year, England passed a law requiring that all furniture contain fine-resistant material. C The company expects that the competition will be very strong in the market because right now, its product is just one option. D And there are some expect...
题型:
单选题
提问时间:
2021-08-24
3 .______
A You do not remain at this deep fourth stage all night long. B The faster your brain waves will be C The slower your brain waves will be D It is during REM sleep that most dreams seem to occur E And they too occur in cycles F For the next half hour or so, as you relax more and more, you will drift ...
题型:
单选题
提问时间:
2021-08-24
