皮皮学，免费搜题
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【多选题】
免疫防御功能是指A.
清除体内病原微生物及其产物的功能
B.
识别和清除体内损伤及衰老细胞，组织的能力
C.
杀伤与清除体内突变细胞，防止肿瘤的发生
D.
阻止病原微生物侵入机体
E.
抑制病原微生物在体内繁殖扩散
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皮皮学刷刷变学霸
举一反三
【单选题】How many subnetworks and hosts are available per subnet if you apply a /28 mask to the 210.10.2.0 class C network?
A.
30 networks and 6 hosts.
B.
6 networks and 30 hosts.
C.
8 networks and 32 hosts.
D.
16 networks and 14 hosts.
【单选题】You have the network 172.16.10.0/24. How many subnets and hosts are available?
A.
1 subnet with 10 hosts
B.
1 subnet with 254 hosts
C.
192 subnets with 10 hosts
D.
254 subnets with 254 hosts
【简答题】With more forests being destroyed, huge quantities of good earth ________ (be) being washed away each year.
【单选题】With more forests _____being destroyed, huge _____ of good earth _____ washed away each year.
A.
are ; number ; is
B.
/ ; quantities / are
C.
be ; number ; are
D.
/ ; quantities ;is
【单选题】You have the network 192.168.10.0/24. How many subnets and hosts are available?
A.
1 subnet with 10 hosts
B.
1 subnet with 254 hosts
C.
192 subnets with 10 hosts
D.
254 subnets with 254 hosts
【简答题】工作在高频频段的射频前端采用 工作方式。A. 电感耦合
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