以下脏器最容易在外伤中受损的是()。
A.肝
B.胆
C.胰
D.脾
E.肾
参考答案:D
It ____ that making a plan is easier than carrying it out.
A.was turned out
B.is turned out
C.has been turned
D.turns out
压力的实际数值称为()
A.绝对压力
B.表压力
C.真空度
D.标准压力