当双排脚手架的高度H小于或等于30m时，垂直度偏差应小于或等于（）。 A.1/550

趾甲移植一般采用什么移植法?通常有哪三种方式?

睾丸恶性肿瘤最常见的血行转移部位是（）。

A.锁骨上淋巴结

B.肝

C.肺

D.骨

E.腹腔淋巴结

—When the hero was _______, he was killed by his enemy.

—What a pity. [ ]

A. in his fifty

B. on his fifty

C. on his fifties

D. in his fifties

下列哪些是围术期并发血栓的机制（）

A.血液粘滞度增加

B.血管壁的损伤和破坏

C.血管内溶血

D.血流减慢

E.血液粘度增加

在框架结构建筑中，填充在柱子之间的墙称为（）。

A.填充墙

B.隔墙

C.承重墙

D.幕墙