泌尿系统梗阻最危险的是()
A.肾小球滤过率降低,尿量减少
B.肾血管受压,血流量减少
C.尿浓缩能力下降
D.尿的酸化能力受损害
E.细菌直接进入血循环
参考答案:E
若黄赤交角变大,地球五带的范围会
A.热带变大
B.热带变小
C.温带变大
D.寒带变小
The little boy still needs the________20 dollars to do with some things________.
A.remaining;remained to be settled
B.remaining;remaining to be settled
C.remained;remained to settle
D.remained;remaining to settle