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问题 单项选择题 A3型题

患者，男，56岁，因牙周病全部拔除上下颌余留牙，已5个月余。

在进行此病史采集时，下列哪项与病史采集无关（）

A.患者主观要求

B.缺牙原因及时间

C.年龄及全身健康情况

D.旧义齿修复后颌面部的丰满度

E.性格和精神心理情况

答案

参考答案：D

选择题

体操运动员常用一种白色的“镁粉”搓手，去除手上的汗渍，增加掌心与器械的摩擦力。这种“镁粉”溶解性很差，但有很好的吸水性。向“镁粉”中加入适量稀盐酸，立刻产生大量气泡，产生的气体能使澄清石灰水变浑浊，同时得到无色澄清溶液；将“镁粉”加入适量水长时间煮沸后，滤出白色固体，加入稀盐酸，固体溶解，但不产生气泡。下列说法正确的是

A．该“镁粉”是单质镁

B．可以用生石灰替代“镁粉”除去汗渍

C．“镁粉”加水煮沸后滤出的白色固体是碳酸镁

D．“镁粉”加水煮沸的过程中一定发生了化学变化
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问答题

Andy, Bob and Charlie are directors and equal shareholders of Roxy Pte Ltd. Andy is the managing director and Bob is the finance manager of the company. Recently, Andy and Bob each purchased a car on the company account. Charlie became very unhappy when he found out that the cars are being used by their families, incurring expenses for petrol at company expense. Charlie has complained about the use of the cars but Andy and Bob disregard his complaints and tell him that there is nothing he can do about it.Required:Advise Charlie of his rights as a minority shareholder. (10 marks)
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