十二指肠溃疡的直接X线征象为()
A.龛影
B.球部变形
C.球部激惹征象
D.透明带
E.黏膜纠集
参考答案:A
Read and translate.(英汉互译)
1. 踢足球 _______
2. 我的鞋子_______
3. John's jeans _______
4. Tom's pants _______
5. on your feet _______
I ______have come here in time, but I met an old friend of mine. I stopped and talked with him for some time.
A.shouldn’t
B.must
C.needn’t
D.could