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【单选题】
在OSI的7层模型中,主要功能是在通信子网中实现路由选择的层次为A.
物理层
B.
数据链路层
C.
传输层
D.
网络层
拍照语音搜题，微信中搜索"皮皮学"使用
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知识点：
皮皮学刷刷变学霸
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【简答题】如图，一个长方体长8厘米，宽6厘米，高4厘米．在这个长方体的一个角上挖掉了一个棱长2厘米的正方体．剩下部分的体积是______立方厘米，表面积是______平方厘米．
【单选题】The sports meeting will continue ____ it rains this afternoon. [ ]
A.
if
B.
until
C.
unless
D.
as soon as
【简答题】A. 细胞壁 %0A%09%09p%20%7B%20margin-bottom%3A%200.25cm%3B%20direction%3A%20ltr%3B%20line-height%3A%20115%25%3B%20text-align%3A%20justify%3B%20orphans%3A%200%3B%20widows%3A%200%3B%20background%3A%20transp...
【简答题】下图是个工具箱，下半部分是一个宽20cm，长40cm，高25cm的长方体，上半部分是圆柱的一半，请计算这个工具箱的体积和表面积．
【简答题】如图,一个长方体长 ,宽 ,高 .从这个长方体的一个角上挖掉一个棱长 的正方体,剩下部分的体积是____ ,剩下部分的表面积是____ .
【单选题】The sports meeting will continue _______it rains this afternoon.
A.
if
B.
since
C.
though
D.
unless
【单选题】We are going to have a barbecue _______ it rains .
A.
if not
B.
when
C.
except that
D.
unless
【简答题】According to China Maritime Code, unless notice of loss or damage is given in writing by the consignee to the carrier at the time of delivery of the goods by the (1) , such delivery shall be deemed to...
【单选题】__________ made her succeed later on was the kindness and consideration _________she showed to all her patients.
A.
That; what
B.
What; what
C.
That; that
D.
What; /
【单选题】We'll go to the Great Wall _____ it rains tomorrow. [ ]
A.
if
B.
as soon as
C.
when
D.
unless
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