第18题: [单项选择]There's a man at the reception desk who seems very angry and I think he means ______ trouble. A. making B. to make C. to have made D. having made 参考答案:B 答案解析:[解析] 动词mean后接动名词时，意为“意味着”，而后接动词不定式时，意为“意在，故意做某事”，由此可以排除[A]和[D]。又因为句中没有确定make trouble这一动作发生过，故答案为[B]。
第22题: [单项选择]Vasodilation or vasoconstriction produced by an external cause will interfere with an accurate assessment of a client with peripheral vascular disease (PVD). Therefore, the nurse should 参考答案:A 答案解析:The nurse should keep the client covered and expose only the portion of the client's body that is be
