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【单选题】
设 , 数列 满足 , 则下列说法正确的是 ( )
A.
B.
C.
数列 有界
D.
以上三个都不对
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【单选题】正常新生儿每分钟的呼吸次数一般为( )
A.
30次
B.
35次
C.
40次
D.
48次
【单选题】Which of the following is NOT true according to the conversation?
A.
There is no link between coffee and heart disease.
B.
Caffeine can cure headache.
C.
Tea has less caffeine than soda.
D.
Addicted people without caffeine will get headache.
【简答题】患者,男性,59岁,身高170 cm,体重85kg。患高血压病lO余年,未规律服用降压药,血压波动在140~160/90~100 mmHg,未予重视,每当头晕、头痛明显时服药,症状消失后停药。吸烟40年,每日20支,饮酒20年,每日2两,近日由于工作劳累,情绪紧张突感剧烈头痛、头晕、恶心、视力模糊,发作性心前区疼痛。急诊检查:血压260/120 mmHg,心率84次分,住院治疗5天后症状消失,血压...
【单选题】Which line from the output of the show ip interface command indicates that there is a Layer 1 problem?
A.
Serial0/1 is up, line protocol is down
B.
Serial0/1 is down, line protocol is down
C.
Serial0/1 is up, line protocol is up
D.
Serial0/1 is administratively down, line protocol is down
E.
None of the above
【单选题】北校区图书馆电子阅览室在几楼?
A.
二楼
B.
三楼
C.
四楼
D.
五楼
【单选题】正常新生儿每分钟的呼吸次数一般为
A.
30 次
B.
35 次
C.
40 次
D.
45 次
【多选题】下列关于β受体阻断药的叙述,正确的是
A.
主要用于治疗心律失常、心绞痛和高血压等心血管疾病
B.
有些药物具有膜稳定作用
C.
所有药物均具有内在拟交感活性
D.
可诱发或加重哮喘症状
E.
突然停药会出现反跳现象
【单选题】正常新生儿每分钟的呼吸次数一般为()。
A.
30次
B.
35次
C.
40次
D.
50次
【单选题】Which UNIX command creates a symbolic link named myfile in the current directory to the file /etc/hosts? ( )
A.
In —s/etc/hosts myfile
B.
In —s myfile/etc/hosts
C.
link —s/etc/hosts myfile
D.
link —s myfile/etc/hosts
【单选题】Which statement is correct about an OSPF sham-link?()
A.
A sham-link is a logical link between PE routers that provides an OSPF adjacency between the PE routers and forwards customer traffic across it.
B.
A sham-link is a logical link between PE routers that provides an OSPF adjacency between the PE routers and carries OSPF LSAs.
C.
A sham-link is a logical link between PE routers that carries OSPF LSAs and forwards customer traffic across it.
D.
A sham-link is a point-to-multipoint link that provides an OSPF adjacency between the PE routers and carries OSPF LSAs.
E.
A sham-link is a point-to-multipoint link that provides an OSPF adjacency between the PE routers and forwards customer traffic across it.
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