第2题: [单项选择]The students expressed so much ______ to a possible close-the-campus-at-lunch policy that the principle decided it would be better not to adopt the regulation. A. reluctance B. negative C. opposition D. deny 参考答案:C 答案解析:[分析] 此题是名词辨析。reluctance，不情愿；勉强；negative，否定，负数，底片，负面；opposition，反对．敌对．相反，反对派；deny，否认，拒绝。
第25题: [单项选择]There seems to be a large （ ） between the number of people employed in service industries, and those employed in the primary sector. A. discrimination B. discretion C. discrepancy D. discord 参考答案:C 答案解析:
第26题: [单项选择]腹泻脱水患儿补液后排尿，此时输液瓶中尚有不含钾液体200ml，此液体中最多可加入多少10%氯化钾 A. 6ml B. 9ml C. 10ml D. 12ml E. 16ml 参考答案:A 答案解析:静脉补钾，一般情况下氯化钾浓度不超过0.3%，即3‰，静脉补钾浓度太高、输入速度过快，可造成心脏收缩无力、心律不齐，甚至心脏停搏。因此，输液瓶中最多可加入的10%氯化钾为：200×0.3%÷10%=6
