Ⅰ.选词填空(有两词多余)
persistent，individual，expand，symptom，prescription，blind，virus， ward， stroke， evidence
1．I owned a bookshop and desired to expand the business.
2．His cough grew more persistent until it never stopped.
3．It is know that fever is a symptom of many illnesses.
4．People who are overweight run a risk of a heart attack or stroke.
5．Someone who is blind is unable to see because their eyes are damaged.
6．The test could be used to screen healthy people to see if they are carrying the virus.
7．A ward is a room in a hospital which has beds for many people who need medical treatment.
8．With so much evidence against him he had to acknowledge his error.
