What does the man mean A. The appointment is not until tomorrow. B. The professor is waiting for their call. C. They should call the professor after the meeting. D. They should wait until the next day. 参考答案:D 答案解析:[听力原文] W: It’s ten o’clock. Is that too late for us to call professor Brown about the meeting 第13题: [单项选择]飞机坠入大海后,ULB自动发射() A. 定位电波 B. 定位声纳信号 C. 定位光波信号 D. 经纬度模拟电压信号 参考答案:B
第16题: [单项选择]用于检查血管或血小板异常的试验是() A. 毛细血管脆性试验,BT B. 毛细血管脆性试验,CT C. CT,PT D. APTT.PT E. TT,PCT 参考答案:A 答案解析:选项组合中只有BT、毛细血管脆性试验属一期止血筛选试验,涉及血小板和血管性异常。其他组合涉及凝血异常(C、D、E)或出凝血均异常(B)。