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【单选题】
某股份公司宣布发放10%的股票股利，之后每股支付现金股利2元，某拥有100股股票的股东可得现金股利为（ ）元。A.
220
B.
200
C.
180
D.
160
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举一反三
【单选题】女性，23岁，既往无心脏病史，流产后一周，出现急性细菌性心内膜炎，伴二尖瓣关闭不全的症状及体征，血培养有粪链球菌生长，最适宜的治疗为
A.
行二尖瓣置换术后用抗生素6周
B.
静滴氨苄青霉素，每日12g，用4周
C.
静滴青霉素G2400万U/d，持续6周
D.
静点氨苄青霉素，每天12g，庆大霉素3mg/(kg•d)，持续4周
E.
静点万古霉素，每天1g，持续4周，链霉素每天1g，用2周
【单选题】What is the purpose of a network mask?（）
A.
It is used in conjunction with the wildcard mask to determine the number of hosts on a network
B.
It is used to define which parts of the IP address are allocated to host addresses and network prefixes
C.
It is used to hide subnets from external networks by masking the subnets with NAT
D.
It is used to differentiate a network as a classful network or a classless network
【简答题】Unknown to most Facebook users, the social network actually offers a lot of privacy controls and security features which can help you lock your account, so you can speak freely. If it’s used properly,...
【简答题】二尖瓣关闭不全的症状和体征 ?
【单选题】In a type of computer network, what does MAN stands for?
A.
Major area network
B.
Mini area network
C.
Metropolitan area network
D.
None
【单选题】What is the goal of QoS in a network？ （）
A.
pr packets from being dropped
B.
increase available bandwidth
C.
reduce hardware errors
D.
provide predictable network service
E.
eliminate propagation delay
F.
eliminate jitter and packet loss
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