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【判断题】
所有经济业务的发生都不会破坏会计等式的平衡关系。A.
正确
B.
错误
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反馈参考答案：
举一反三
【单选题】____ they decide which college to go to, students should research the admission procedures.
A.
Once
B.
While
C.
Until
D.
As
【单选题】下列哪种选项是情绪对时间估计长短的影响规律
A.
正在经历的事件，愉快情绪则过得慢
B.
盼望的事件，愉快情绪的事件来得慢
C.
已经过去的事件，情绪不愉快则显得长
D.
正经历的事件，情绪不愉快则过得快
【单选题】删除Goods表中,g_ID='040002'的商品信息语句是_______ from Goods where g_ID='040002'
A.
drop
B.
return
C.
delete
D.
以上都不是
【单选题】删除Goods表中,g_ID='040002'的商品信息语句是_______ from Goods where g_ID='040002'
A.
drop
B.
delete
C.
select
D.
cut
【单选题】Which of the following is not a valid subnet ID for network 10.0.0.0, using mask /25, assuming that this mask is used throughout the network?______
A.
10.0.0.0
B.
10.255.255.0
C.
10.255.127.128
D.
10.1.1.192
【单选题】The 201.145.32.0 network is subnetted using a /26 mask. How many networks and IP hosts per network exists using this subnet mask?（）
A.
4 networks with 64 hosts
B.
64 networks and 4 hosts
C.
2 networks and 62 hosts
D.
62 networks and 2 hosts
E.
6 network and 30 hosts
【单选题】When a person practicing a particular yoga exercise has stretched his body to the point where it begins to hurt, he should______
A.
begin breathing through the nostrils
B.
slow down somewhat, but continue straining
C.
stop the particular exercise at once
D.
close his mouth immediately
【简答题】无线传感器网络具有二维协议栈结构,即纵向的____和横向的____。
【多选题】Which of the following addresses can be assigned to a host when using a subnet mask of 255.255.254.0?（）
A.
113.10.4.0
B.
186.54.3.0
C.
175.33.3.255
D.
26.35.3.255
E.
152.135.7.0
F.
17.35.36.0
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