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【单选题】
Unearned revenues refer to a(n):A.
Expense incurred because a customer has paid in advance.
B.
Increase in revenues as a result of delivering products or services to a customer.
C.
Liability that is settled in the future when a company delivers its products or services.
D.
Decrease in an asset.
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【单选题】若函数 在 可导,则函数图形取凹的充要条件及函数图形取凸的充要条件是:
A.
取凹； 取凸；曲线上凹凸的分界点称为拐点。
B.
取凹； 取凸；曲线上凹凸的分界点称为拐点。
C.
取凹； 取凸；曲线上单调性的分界点称为拐点。
D.
取凹； 取凸；曲线上单调性的分界点称为拐点。
【多选题】Why does the McDonald's use the ways to advertise to children?
A.
Because the children are naive.
B.
Because the children love the food there.
C.
Because they genuinely believe what an advertiser tells them.
D.
Because their parents love to take them there.
【简答题】Why does McDonald's want to tear down the restaurant ?A. Because the buildingwas damaged in an earthquake.B. Because the buildingwas damaged in an hurricaneC. Because therestaurant is losing money.D. ...
【简答题】水泥混凝土桥面铺装,在混凝土浇筑时的方向应由( )。
【单选题】NAT技术可以缓解IPV4地址空间不足的问题，请问使用公网端口IP进行地址转换的这种NAT方式适用于以下哪种场景（ ）
A.
大型企业
B.
校园网
C.
SOHO
D.
城域网
【多选题】Why does McDonald’s want to tear down the restaurant?
A.
Because the building was damaged in an earthquake.
B.
Because the restaurant is losing money at the location.
C.
Because people in Downey want to tear it down.
【单选题】NAT 技术可以缓解 IPV4 地址空间不足的问题,请问使用公网端口 IP 进行地址转换的这种 NAT 方式适用于以下哪种场景( )。
A.
大型企业
B.
城域网
C.
SOHO
D.
校园网
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