搜题请搜索小程序“爱下问搜题”
问题 单项选择题

抗骨吸收的药物是（）

A.雷洛昔芬

B.阿法骨化醇

C.乳酸钙

D.依替膦酸二钠

E.雌二醇

答案

参考答案：D

解析：考查本组药物的结构类型。雌二醇为雌激素类。故本组题答案应选BACD。

单项选择题

电气设备可能被人触及的裸露带电部分应设（）。

A、保护罩或遮栏及警示标志

B、警示标志

C、开关
查看答案
单项选择题

The figure above represents a window, with the shaded regions representing openings for glass and the pale regions representing the wood panels between and around the glass. If the window is 4.5 feet high by 2.5 feet wide, and if each of the wooden panels is exactly 4 inches thick, what is the total surface area, in square inches, of glass in the window ？（）
(1 foot=12 inches; figure not drawn to scale)

A. 189

B. 378

C. 448

D. 756

E. 1,620
查看答案