中年男性，双手关节痛1年，RF1：32阳性。见双手多个近端指间关节肿胀压痛，双膝关节

整体护理是一种以患者为中心，视患者为生物、心理、社会多因素构成的()

A．封闭性有机整体

B．开放性有机整体

C．医疗模式有机整体

D．护理理论有机整体

E．护理实践有机整体

某次考试有一道多项选择题，共有A、B、C三个选项。参加考试的人中，共有20人选了A，15人选了B，10人选了C。其中选了两个选项的有5人，选了三个选项的有3人，还有2人未答此题。问有多少人参加考试（）

A．30

B．34

C．36

D．40

What would be the impact on a firm’ s return on assets ratio (ROA) of the following independent transactions, assuming ROA is less than one Transaction 1: A firm owned investment securities that were classified as available-for-sale and there was a recent decrease in the fair value of these securities. Transaction 2: A firm owned investment securities that were classified as available-for-trading and there was recent increase in the fair value of the securities. Transaction 1 Transaction 2（）① Higher Lower ② Higher Higher ③ Lower Higher

A. ①

B. ②

C. ③

轻质油罐淋水降温，可以降低小呼吸损耗，阳光辐射热80%是通过罐顶传给油品的。

加气混凝土是含（）材料加水并加适量的发气剂和其他外加剂，经混合搅拌，经蒸压养护制成。

A.硅

B.锰

C.砂

D.水泥

E.尾矿粉