裂解分馏塔为何不是缩径而是同径？

临床肠外营养支持途径分为：（）和（）。

I remember taking __48__ English class in college on the short story. Our first assignment was to read __49__ short stones and then discuss which one was better. After reading both，I wasn’t sure. Over the __50__ several months, my professor taught me __51__ one story was so much better than the other wan humorous __52__ was rich in metaphor（隐喻）and character development, while the other was humorous __53__ too shallow. I couldn’t see this at first. Yet, in a few months, my brain got reeducated an __54__ could see the difference between good and bad writing and could appreciate literature at a whole new level.

Going to college helps build a strong mind, which leads __55__ greater success in one’s life.

修改系统变量TEMP的值为D盘的temp子目录

成人心脏超声探查部位不常用的是

A．胸骨左缘3～5肋间

B．心尖冲动处

C．剑突下

D．胸骨上窝

E．锁骨上窝