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【单选题】
程序在运行中,当前PC的值是:A.
当前正在执行指令的前一条指令的地址
B.
当前正在执行指令的地址
C.
当前正在执行指令的下一条指令的首地址
D.
控制器中指令寄存器
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反馈参考答案：
举一反三
【单选题】—When did you live in Beijing, Mary? — I lived there____ 2008 to 2013.
A.
on
B.
from
C.
for
D.
of
【单选题】— Where are you going to stay when you get to Shanghai？ — I may live _______ in a hotel _______ in a friend’s house.
A.
both; and
B.
either; or
C.
neither; nor
D.
not only; but also
【单选题】关于心电图P-R间期的描述,正确的是:
A.
P-R间期正常值为0.12-0.20s
B.
P-R间期＞0.12s为延长
C.
P-R间期＜0.10s为缩短
D.
P-R间期的正常值与年龄无关
E.
P-R间期是P波起点至QRS波群终点的间距
【多选题】关于P-R间期的描述下列正确的是:
A.
可反映房室传导时间
B.
P-R间期受年龄及心率影响
C.
正常一般为O12~020秒
D.
延长常见于房室传导阻滞
E.
心房阻滞不会引起P-R间期延长
【单选题】关于P-R间期的描述下列不正确的是
A.
可反映房室传导时间
B.
P-R 间期受年龄和心率的影响
C.
正常值一般是0.12-0.20秒
D.
延长常见于房室传导阻滞
E.
心房阻滞不会引起P-R间期延长
【单选题】—Where are you going to stay when you get to the town? —I may live _____ in a hotel _____ in a friend's house. [ ]
A.
both, and
B.
either; or
C.
neither; or
D.
between; and
【单选题】听力原文：M: Have you decided where to live when you get married? W: I would like to live in the city near my office, but Tom wants a house in the suburbs to save on expenses. Q: Why does the woman want to...
A.
Because her job is in the city.
B.
Because life in the city is less expensive.
C.
Because jobs are easier to find in the city.
D.
Because living in the suburbs costs a lot.
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