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【单选题】
用硝酸甘油类药物使肥厚性心肌病患者的症状加重的原因是A.
扩张大动脉，降低了周围血压
B.
扩张小静脉,射血分数增加
C.
扩张小静脉,使回心血量增加
D.
冠状动脉收缩
E.
心肌耗氧量增加
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举一反三
【单选题】The Internet affords anonymity to its users, a blessing to privacy and freedom of speech. But that very anonymity is also behind the explosion of cyber-crime that has 1 across the Web. Can privacy be ...
A.
swept
B.
skipped
C.
walked
D.
ridden
【简答题】Internet and Privacy Internet has 1) _________________ almost every aspect of our life and work. We can study and work by it; we can find a job; we can communicate; we can be entertained; we can do bu...
【单选题】The Internet affords anonymity to its users, a blessing to privacy and freedom of speech. But that very anonymity is also behind the explosion of cyber-crime that has (1) across the Web. Can privacy b...
A.
swept
B.
skipped
C.
walked
D.
ridden
【单选题】An Internet _______ is a collection of utility programs designed to maintain your security and privacy while you are on the web.
A.
plug-in suite
B.
filter set
C.
security suite
D.
file transfer set
【简答题】请同学们独立完成以上任务,并提交仿真视图文件和独立播放的EXE文件至学习通
【单选题】生态文明理念是必须树立( )的生态文明理念。
A.
遵守自然、顺应自然、绿色自然
B.
遵守自然、顺应自然、保护自然
C.
尊重自然、顺应自然、绿色自然
D.
尊重自然、顺应自然、保护自然
【单选题】Which of the following describes the creation of private networks across the Internet, enabling privacy and tunneling of non-TCP/IP protocols?
A.
HDLC
B.
Cable
C.
VPN
D.
IPSec
E.
xDSL
【单选题】Ithink pop-up ads on the Internet and spam in my e-mail inbox are terribly_______ —so much so that it might be an invasion of privacy.
A.
offensive
B.
offense
C.
defensive
D.
defense
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