溃疡性结肠炎的好发部位是（）
A.直肠、乙状结肠
B.降结肠
C.横结肠
D.升结肠
E.回盲部
参考答案：A
压耳的表现正确的是，（），听力下降，耳鸣。
In the supermarket foreign names of the products got___ and I was confused about what to buy.[ ]
A. picked up
B. showed up
C. mixed up
D. fixed up
