提示液体量已经补足的是
A.中心静脉压低,尿量少B.中心静脉压低,尿量多C.中心静脉压很低,尿量多D.中心静脉压高,尿量多E.中心静脉压很高,尿量少
参考答案:D
客车和货车同时从甲、乙两地相向开出,客车每小时行42千米,货车每小时行50千米,经过4小时后两车相距100千米,则甲乙两地相距多少千米?
Thirty computers have been sent to the school some other new teaching equipment. [ ]
A. in addition
B. in addition to
C. such as
D. more than