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【多选题】
网络层的协议有( )协议A.
IP
B.
ARP
C.
ICMP
D.
IGMP
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参考答案：
参考解析：
知识点：
皮皮学刷刷变学霸
举一反三
【单选题】Scale and dirt accumulation in the waterside of a lube oil cooler will be indicated by a gradual increase in the lube oil
A.
TBN number
B.
viscosity
C.
temperature
D.
foaming
【单选题】已知下列命题中,其中正确的个数是( ) 1项数相同的两个常数列对应项相减,得到的数列是各项均为零的数列; 2项数相同的两个常数列对应项相加,得到的数列仍为常数列; 3项数相同的递增数列和递减数列对应项相加,得到的数列为常数列。
A.
0
B.
1
C.
2
D.
3
【单选题】The presence of scale and dirt on the saltwater side of a lube oil cooler is usually indicated by _____.
A.
clogged lube oil strainers
B.
decreasing lube oil pressure
C.
gradually increasing lube oil temperature
D.
seawater leaking into the lube oil system
【简答题】There is _______ birthday cake on the table [ ] A a B an C the
【单选题】Let's buy a birthday cake _____ his birthday present _____ the cake shop. [ ]
A.
for; for
B.
for; on
C.
as; in
D.
to; in
【单选题】—Mary，turn the heat down，________ burn. —OK.Mum.
A.
the cake will
B.
or the cake will
C.
will the cake
D.
and the cake will
【简答题】确定轴向移动尺寸时,应考虑刀具的( )和( )。
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