炎症性肠病包括:()
A.溃疡性结肠炎
B.克罗恩病
C.缺血性结肠炎
D.A和B
E.A和C
参考答案:D
—Did Li Ming do very in the last math exam?
—Yes, he did better than in his class.[ ]
A. well, anyone else
B. good, any other student
C. good, anyone else
D. well, any student
—_____ are you staying in the countryside?
—For more than one week.[ ]
A. How often
B. How long
C. How much