帕斯卡（Pa）是一牛顿的力均匀而垂直地作用在一平方米的面上所产生的压力。
参考答案：对
The representatives were discussing the 11th fiveyear plan that they would like to see ______ the
next year.[ ]
A. carry out
B. carrying out
C. carried out
D. to carry out
葡萄胎的镜下病理特点是______、______、________。
