典型输尿管结核肾盂造影表现
A.输尿管变细B.输尿管“串珠状”改变C.输尿管变细D.输尿管无改变E.输尿管内充盈缺损
参考答案:B
Nowadays, sending e-mails to each other has become a way ______________ what they think to others.
A.many a student expresses
B.in which more than one student express
C.that most of students express
D.the majority of students expresses
我国运动员获得的第一块奥运金牌产生于
A.射击项目
B.乒乓球项目
C.跳水项目
D.排球项目