第2题: [单项选择]Physical assessment findings in the eyes of elderly people may include A. decreased lens thickness. B. decreased visual acuity. C. lightening of the skin around the orbits. D. unequal pupillary light reflex. 参考答案:B 答案解析:Decreased visual acuity is common in elderly people. Additional assessment findings include increase
第4题: [单项选择]— Has Jack finished his homework yet — I have no idea; he ______ it this morning.
A. was doing B. had been doing C. has done D. did 参考答案:A 答案解析:[答案精解] 题干没有构成“过去的过去”,不可选B。如选C、D则表示动作已完成,与have no idea相矛盾。过去进行时表示过去某段时间或某一时刻正在进行的动作,不涉及结果,正好符合题干语境。