战略关系首先要受( )的影响。
A.供求形势
B.市场结构
C.需求弹性
D.政策
参考答案:B
“Well done,John! Not a single mistake in your exam paper this time!”said the teacher.
A.you made
B.you have make
C.had you made
D.did you make
氢氯噻嗪对尿中离子的影响,描述错误的是( )
A.排Na+增多
B.排K+增多
C.排Cl-增多
D.排HCO3ˉ增多
E.排Ca2+增多