最常见的肾盂肾炎病原菌是
A.葡萄球菌
B.粪肠球菌
C.大肠杆菌
D.变形杆菌
E.白色念珠菌
参考答案:C
A.yc=0,,zc=0,xc>
B.yc=0,,zc=0,xc=
C.yc=0,,zc=0,xc<
D.无法判断
Sanya ________beautiful beaches. [ ]
A. there are
B. have
C. has
D. there is