【简答题】影响左室心肌血液灌注的主要因素是: A.主动脉收缩压 B.主动脉舒张压 C.主动脉平均压 D.收缩期长短 E.心率的快慢
【判断题】希望“人体—座椅”系统的阻尼比达到0.2以上。
【单选题】实习生小马在为病人测完体温后不慎将汞式体温计打碎,随即向病人道歉之后她的处理措施丕妥的是
【判断题】血管性介入诊疗手术中最常用的抗凝剂是肝素。
【单选题】听力原文:M:Excuse me,I wonder why Flight 128 has been delayed.The sky seems clear now. W:I'm afraid New York got four or five times as much snow as we did here.It should be clear by afternoon though. Q:Wh...
A.
Three or four flights were cancelled because of snow.
B.
The man will have to stay in New York.
C.
The plane can not land in New York because of bad weather.
D.
Flight 128 is ready to depart.
【单选题】下面哪一个不是整数加减运算判断溢出的方法?
B.
符号相同的两个数相加,结果符号与加数(或被加数)的符号不同,为溢出
C.
任意符号的两个数相加,如果数值部分最高位的进位与符号位的进位不同,为溢出
D.
采用双符号位f2f1,正数符号位为00,负数符号位为11,符号位参与运算。相加结果的两个符号位不同,即f2不等于f1,为溢出。