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【单选题】
组织细胞在绝对不应期时其兴奋性
A.
正常
B.
小于正常
C.
为零
D.
无限大
E.
大于正常
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参考答案：
举一反三
【单选题】When transferring survivors from an enclosed lifeboat to a rescue vessel，personnel on board the boat should ______．
A.
remove their life preservers to make it easier to climb on board the rescue vessel
B.
climb on top of the boat while waiting for their turn to transfer to the rescue vessel
C.
remain seated inside and make the transfer one person at a time
D.
enter the water and swim over to the rescue vessel
查看完整题目与答案
【单选题】巴洛克建筑注重:
A.
装饰
B.
理性
C.
脂粉气
D.
庄重
查看完整题目与答案
【单选题】When did Israel stop transferring customs and tax funds to the Palestinian Authority?
A.
Last week.
B.
Wednesday.
C.
Last September.
D.
Last Month.
查看完整题目与答案
【单选题】下列不是研究语音演变的凭借的是()
A.
方言和亲属语言
B.
记录了语言的过去状态的文字
C.
古代借词
D.
形态的变化
查看完整题目与答案
【单选题】What is important to check when transferring a position from GPS to a chart?
A.
Make sure that the chart and the GPS use same datum
B.
Reading the position correctly
C.
Make sure the map is updated
D.
Plotting the position correctly
查看完整题目与答案
【单选题】起动机电刷与换向器的接触面积应不小于( ) %为合格。
A.
50
B.
60
C.
70
D.
80
查看完整题目与答案
【单选题】起动机电刷与换向器的接触面积应不小于( ) %为合格。
A.
50
B.
60
C.
70
D.
80
E.
、起动机作空载试验时，若起动机装配过紧，则(　 　)。
F.
电流高而转速低
G.
转速高而电流低
H.
电流和转速均高
I.
电流和转速均低
查看完整题目与答案
【单选题】When you are transferring fuel oil to the setting tanks, precautions to be observed should include .
A.
plugging gooseneck tank vents to prevent accident overflow
B.
maintaining a high transfer rate until a slight trickle of oil is observed flowing from the overflow line
C.
sounding the tanks frequently and reducing the transfer rate as the level approaches maximum fill
D.
maintaining a supply of chemical dispersant to cleanup minor oil spills adjacent to the ship
查看完整题目与答案
【单选题】关于截交线的性质的描述正确的是( )
A.
是封闭的平面多边形
B.
其上的点只是基本体表面的点
C.
是封闭的空间曲线
D.
其上的点只是回转面的点
查看完整题目与答案
【单选题】一个PC的地址为192.168.1.12,而配置的默认网关地址为192.168.1.110,那么以下子网掩码是( )时,PC能正常和网关进行通信。
A.
255.255.255.224
B.
255.255.255.240
C.
255.255.255.128
D.
255.255.255.127
查看完整题目与答案
相关题目：
【单选题】When transferring survivors from an enclosed lifeboat to a rescue vessel，personnel on board the boat should ______．
A.
remove their life preservers to make it easier to climb on board the rescue vessel
B.
climb on top of the boat while waiting for their turn to transfer to the rescue vessel
C.
remain seated inside and make the transfer one person at a time
D.
enter the water and swim over to the rescue vessel
查看完整题目与答案
【单选题】巴洛克建筑注重:
A.
装饰
B.
理性
C.
脂粉气
D.
庄重
查看完整题目与答案
【单选题】When did Israel stop transferring customs and tax funds to the Palestinian Authority?
A.
Last week.
B.
Wednesday.
C.
Last September.
D.
Last Month.
查看完整题目与答案
【单选题】下列不是研究语音演变的凭借的是()
A.
方言和亲属语言
B.
记录了语言的过去状态的文字
C.
古代借词
D.
形态的变化
查看完整题目与答案
【单选题】What is important to check when transferring a position from GPS to a chart?
A.
Make sure that the chart and the GPS use same datum
B.
Reading the position correctly
C.
Make sure the map is updated
D.
Plotting the position correctly
查看完整题目与答案
【单选题】起动机电刷与换向器的接触面积应不小于( ) %为合格。
A.
50
B.
60
C.
70
D.
80
查看完整题目与答案
【单选题】起动机电刷与换向器的接触面积应不小于( ) %为合格。
A.
50
B.
60
C.
70
D.
80
E.
、起动机作空载试验时，若起动机装配过紧，则(　 　)。
F.
电流高而转速低
G.
转速高而电流低
H.
电流和转速均高
I.
电流和转速均低
查看完整题目与答案
【单选题】When you are transferring fuel oil to the setting tanks, precautions to be observed should include .
A.
plugging gooseneck tank vents to prevent accident overflow
B.
maintaining a high transfer rate until a slight trickle of oil is observed flowing from the overflow line
C.
sounding the tanks frequently and reducing the transfer rate as the level approaches maximum fill
D.
maintaining a supply of chemical dispersant to cleanup minor oil spills adjacent to the ship
查看完整题目与答案
【单选题】关于截交线的性质的描述正确的是( )
A.
是封闭的平面多边形
B.
其上的点只是基本体表面的点
C.
是封闭的空间曲线
D.
其上的点只是回转面的点
查看完整题目与答案
【单选题】一个PC的地址为192.168.1.12,而配置的默认网关地址为192.168.1.110,那么以下子网掩码是( )时,PC能正常和网关进行通信。
A.
255.255.255.224
B.
255.255.255.240
C.
255.255.255.128
D.
255.255.255.127
查看完整题目与答案
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