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【多选题】
对于统一投资方案,下列说法正确的是( )A.
资本成本越高，净现值越低
B.
本成本越高，净现值越高
C.
本成本相当于内部报酬率时，净现值为零
D.
本成本相当于内部报酬率时，净现值小于零
E.
资本成本高于内部报酬率时,净现值大于零
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【单选题】What is the subnet for the host IP address 201.100.5.68/28?
A.
201.100.5.0
B.
201.100.5.32
C.
201.100.5.64
D.
201.100.5.65
E.
201.100.5.31
F.
201.100.5.1
【单选题】{ 患者男性,40岁。因下肢水肿3周就诊,体检:血压160/100mmHg,尿蛋白(+++),红细胞10~15/HP,血Cr150μmol/L。对本例诊断和鉴别诊断帮助最大的检查是
A.
血常规检查
B.
CT检查
C.
肾脏活检
D.
中断尿培养
E.
血脂检查 }
【单选题】患者男性,40岁.因下肢水肿3周就诊,体检:血压160/100mmHg,尿蛋白(+++),红细胞10~15/HP,血Cr 150mmol/L.对本例诊断和鉴别诊断帮助最大的检查是
A.
血常规检查
B.
CT检查
C.
肾脏活检
D.
中段尿培养
E.
血脂检查
【单选题】What is the maximum number of IP addresses that can be assigned to hosts on a local subnet that uses the 255.255.255.224 subnet mask?
A.
14
B.
16
C.
30
D.
32
【单选题】What is the subnet for the host IP address 172.16.210.0/22?
A.
172.16.42.0
B.
172.16.107.0
C.
172.16.208.0
D.
172.16.252.0
E.
172.16.254.0
F.
None of the above
【单选题】A Ezonexam PC has the IP address 172.16.209.10 /22. What is the subnet of this address?
A.
172.16.42.0
B.
172.16.107.0
C.
172.16.208.0
D.
172.16.252.0
E.
172.16.254.0
【单选题】What is the maximum number of IP addresses that can be assigned to hosts on a local subnet that use the 255.255.255.224 subnet mask?（）
A.
14
B.
15
C.
16
D.
30
E.
31
F.
32
【单选题】WHAT IS THE PURPOSE OF THE SUBNET MASK IN CONJUNCTION WITH AN IP ADDRESS?
A.
to determine the subnet to which the host belongs
B.
to mask the IP address to outsiders
C.
to identify whether the address is public or private
D.
to uniquely identify a host on a network
【简答题】患者,男性, 40 岁。因下肢水肿 3 周就诊,体检血压 160/100mmHg 。尿蛋白 (+++) ,红细胞 10-15/HP, 血 Cr 150 μ mol/l,
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