问题
单项选择题
消化性溃疡发病因素中,下列各项最重要的是()
A.食物的机械及化学刺激
B.非甾体类抗炎药物
C.胆汁反流
D.胃酸
E.胃蛋白酶
答案
参考答案:D
消化性溃疡发病因素中,下列各项最重要的是()
A.食物的机械及化学刺激
B.非甾体类抗炎药物
C.胆汁反流
D.胃酸
E.胃蛋白酶
参考答案:D
从方框内选出短语,并用其适当形式填空。 | |
1. Jenny likes to eat lots of fruits, _________ bananas and oranges. 2. I want to be a teacher _________ a scientist in the future. 3. The two runners took different routes, but they both_______ in the same place. 4. When I_______ this morning, it was already nine o’ clock. 5. We are_________ a school trip next Sunday.
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