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【单选题】
动脉导管未幼儿期或在有肺动脉高压或合并心力衰竭时,其杂音特点是:
A.
胸骨左肋缘第2肋间连续性杂音
B.
胸骨左肋缘第4肋间连续性杂间
C.
胸骨左肋缘第4肋间收缩期杂音
D.
胸骨左肋缘第2肋间收缩期杂音
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参考答案:
举一反三
【单选题】设3个目标模块A,B,C,起始地址都是0,长度分别是L,M,N,这三个模块按A,B,C顺序采用静态连接方式连接在一起后,模块C的起始地址变换为(B)
A.
L+M+N
B.
L+M
C.
L+M-1
D.
M+N
【单选题】以下(  )选项不属于配送中心的基本功能。
A.
物流信息处理功能
B.
物流金融功能
C.
储存功能
D.
装卸搬运功能
【简答题】简述氮元素对植物的生理功能。
【单选题】Kitchen Design Over the years economic, social and technological factors have influenced the design of kitchens. Since it is often used simultaneously by both family members as well as guests, the kit...
A.
Right
B.
Wrong
C.
Not mentioned
【单选题】One of the important factors leading to the growth of financial intermediaries has been the decreased cost of information and analysis of direct securities.
A.
True
B.
False
【多选题】下列有关双务合同抗辩权的陈述,正确的是
A.
双务合同抗辩权包括同时履行抗辩权、先履行抗辩权和不安抗辩权
B.
双务合同抗辩权的行使,将导致合同的消灭
C.
双务合同抗辩权可以适用于赠与合同
D.
同时履行抗辩权可以适用于连带之债
E.
双务合同抗辩权是一时的抗辩权、延缓的抗辩权
【单选题】Kitchen Design Over the years economic, social and technological factors have influenced the design of kitchens. Since it is often used simultaneously by both family members as well as guests, the kit...
A.
Right
B.
Wrong
C.
Not mentioned
【简答题】已知AD7520是10位集成倒T型电阻网络DAC,其结构如图10.3.2所示。如果不加VB和RB,则vO输出单极性电压;若加了VB和RB,就可在数字量从0到满量程输入时,输出双极性电压。试分析其工作原理。若取RB=20 kΩ,为了得到±5 V的最大输出模拟电压,VREF和VB应取何值?
【单选题】不同的( ),对别人应使用不同的称呼。
A.
地点
B.
时间
C.
目的
D.
季节
【单选题】Which of the following factors help Doree’s recovery from trauma?
A.
Visiting Lloyd in the institution
B.
The professional help from religious workers
C.
The passage of time, and the financial and emotional independence
D.
Believing that her children are doing well in another world
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