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【单选题】
下述关于超速压抑的描述,不正确的是A.
高频起搏点驱使低频起搏点进行低频率搏动
B.
频率差别愈大，抑制效应
C.
结停搏后，首先由受压抑程度较小的房室交界起搏
D.
结对心室的控制中断后，可出现一段时间的心脏停搏
E.
为避免撤去超速抑制时诱发的心脏停搏，中断人工起搏器时应逐步减慢其驱动频率
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【单选题】在地下停车场的防火巡查中,发现 _,应当告知危害,协助当场改正。
A.
消防警示标志不醒目、被遮挡
B.
疏散指示灯未能工作正常，外观有破损
C.
有修车、加油、充电现象
D.
应急照明未能工作正常，外观有破损
【单选题】听力原文：M: Tom's voice sounds awful. I could barely hear him. F: Yes, he's got a terrible sore throat. The doctor said he shouldn't even attempt to whisper. Q: What does the woman imply about Tom? (14)
A.
Tom is advised not to talk much.
B.
Tom isn't good at singing.
C.
Tom just had a surgery on his throat.
D.
Tom is encouraged by his doctor to speak more.
【单选题】—I'm sorry to hear that Bill failed the exam again. —Don't worry about him. I'm sure that he will never give up until he ________. [ ]
A.
succeed
B.
succeeds
C.
succeeded
D.
succeeding
【简答题】He spit it out, _______(say) it was awful.
【单选题】I can hear my ______ through the wall. He is also loud. It is awful.
A.
neighbor
B.
TV
C.
school
D.
mother
【单选题】TSP算法流程图如下图I.示意，回答问题：外层循环(I变量控制的循环)的作用是_________。 【图片】
A.
用于完整地产生一个路径
B.
用于判断某个城市是否是已访问过的城市
C.
用于寻找距当前城市距离最近的城市
D.
其它三个选项都不是
【简答题】A．He seldom goes there. B．He used to go there frequently. C．He often goes there. D．He never goes there.
【单选题】I can hear my _______ through the wall. He is so loud. It is awful.
A.
neighbour
B.
TV
C.
school
D.
mother
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