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【单选题】
Cars are mentioned in Paragraph 2 to show ________.A.
the Internet can provide maps to guide drivers in traffic jams
B.
people can solve air pollution and traffic jams by using the Internet
C.
the Internet, like cars, brings convenience and causes problems at the same time
D.
the negative effects they cause
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反馈参考答案：
举一反三
【单选题】What is the default configuration file used by the sendmail command?（）
A.
/etc/rc/rc.mail
B.
/etc/mail.config
C.
/etc/sendmail.config
D.
/etc/mail/sendmail.cf
【单选题】What is the maximum suppress time for a dampened route, by default?（）
A.
5 minutes
B.
30 minutes
C.
60 minutes
D.
90 minutes
【单选题】What is the maximum suppress time for a damped route, by default?（）
A.
5 minutes
B.
30 minutes
C.
60 minutes
D.
90 minutes
【简答题】尿的生成包括( )、( )和( )三个基本过程
【简答题】尿的生成过程包括肾小球的滤过、肾小管和集合管的重吸收和分泌三个环节。
【单选题】By default, what is the maximum number of links that EIGRP may use to load balance over unequal-cost links?
A.
Two
B.
Four
C.
Six
D.
Eight
【单选题】By default, what is the name of the first parallel printer?
A.
/dev/lp0
B.
/dev/lpt0
C.
/dev/lpt1
D.
/dev/prn0
【单选题】Given a function that does not return any value, What value is thrown by default when executed in shell.
A.
int
B.
bool
C.
void
D.
None
【单选题】What is the default Quality of Service traffic class used by the ERX Edge Router?（）
A.
bronze forwarding
B.
assured forwarding
C.
expedited forwarding
D.
best effort forwarding
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