直肠子宫陷凹
参考答案:腹膜在直肠与子宫之间反折所形成的间隙,是女性腹膜腔最低部位。女性腹膜腔积液常聚集于此。
_________ countries having great difficulties in economy right now need most of all is financial
aid rather than blaming.
A. What
B. When
C. That
D. Whether
CPU是计算机的核心,它是由控制器和运算器组成的。()