交通量、()和车流密度被称为交通基本参数。
参考答案:行车速度
有肾功能不良的高血压患者最好选用()
A.氢氯噻嗪
B.利舍平
C.胍乙啶
D.肼屈嗪
E.钙拮抗剂
We hope you will make the necessary amendments immediately by telex ______we can ship the goods in time.
A.so B.so asC.so thatD.so as to