临床常通过 * * ______以辨明子宫直肠陷凹有无积液或邻近肿块的性质及原因。
参考答案：后穹隆穿刺
已知一次函数y=kx+b的图象平行于直线y=-3x，且经过点（2，-3）．
（1）求这个一次函数的解析式；
（2）当y=6时，求x的值．
—Is the girl is interviewing the manager of that company your friend?
—Yes, she is a journalist from CCTV. [ ]
A. whom
B. which
C. who
D. whose
