肺炎球菌性肺炎痰液为
A. 白色泡沫痰或黏液性痰
B. 铁锈色痰
C. 大量脓痰分三层
D. 痰恶臭
E. 粉红色浆液泡沫痰
16.Questions 16 to 18 are based on the passage you have just heard.[音频]
A. They help spread the latest technology.
B. They greatly enrich people’s leisure life.
C. They provide residents with the resources needed.
D. They allow free access to digital books and videos.
17.Questions 16 to 18 are based on the passage you have just heard.
A. By helping them find jobs.
By inspiring their creativity.
C. By keeping them off the streets.
D. By providing a place of relaxation.
18.Questions 16 to 18 are based on the passage you have just heard.
A. Their interaction with teenagers proved fruitful.
B. They used libraries less often than teenagers.
C. They tended to visit libraries regularly.
D. Their number increased modestly.
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