She was cheerful to hear that his son has got the gold medal.
A. excited
B. hateful
C. horrible
D. thankful
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皮肤接触腐蚀性毒物者，冲洗时间要求是
A. 15-30min
B. 5-10min
C. 10-15min
D. 10-20min
__________ 查看材料
A. to observe
B. observed
C. observes
D. observing
与非处方药西咪替丁同用，可增加出血危险的处方药是
A. 奎尼丁
B. 氟卡尼
C. 华法林
D. 四环素
一般混合性食物在胃中停留的时间功能
A. 5-20分钟
B. 2小时
C. 2-3小时
D. 3-4小时
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