题型:语法填空(语篇) 题类:常考题 难易度:困难
广东省中山市第一中学2017-2018学年高二下学期英语4月段考试卷
The choices people make can cause cancer. Not everyone who (use) tobacco products will get cancer, but the chance of getting certain(type) of cancer increases with tobacco use. The recent research (show) us that the constant misuse or overuse of alcohol may cause cancer of the mouth and throat as well recently.
Sometimes cancer can be caused by radiation (find) in sunlight and X-rays, in addition other places. This doesn't mean you should stop getting X-rays or stay indoors, but limiting your (expose) to radiation can reduce the chances of developing cancer. The X-rays you get at doctor's or dentist's office are not (typical) enough to cause cancer.
And sometimes, the reason someone gets cancer is simply an unfortunate mystery. Some cells in the body may start to increase and change. Doctors and researchers can see it happeningthey cannot provide a description of why it started.
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