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【单选题】
商品流通与物物交换的区别在于 。A.
前者包括许多商品的交换，后者只包括两种商品
B.
前者是指以货币为媒介的商品交换的总体，后者则是只包括两种商品
C.
前者是指以货币为媒介的商品交换的总体，后者则是不以某种商品为媒介的各种商品之间的交换
D.
前者是指不以货币为媒介的商品交换的总体，后者则是只包括两种商品
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举一反三
【单选题】In a cumulative frequency polygon:
A.
the class frequencies are converted to percents.
B.
the cumulative frequency for the first class limit is zero.
C.
we add the class frequencies starting with the first class.
D.
all of the above.
【单选题】Every host and router on the Internet has an IP address, which encodes its(12).
A.
host number
B.
network number
C.
host number and socket
D.
host number and network number
【单选题】In a cumulative frequency polygon:
A.
the class frequencies are converted to percents.
B.
all of the above.
C.
we add the class frequencies starting with the first class.
D.
the cumulative frequency for the first class limit is zero.
【单选题】Nowadays the Internet has an enormous advantage _____ the press.
A.
about
B.
around
C.
over
D.
beyond
【单选题】Every host and muter on the Internet has an IP address,which encodes its(69).
A.
host number
B.
host number and socket
C.
network number
D.
host number and network number
【单选题】There is ______ interesting book on the shelf, ______ book is Jim's. [ ]
A.
a, the
B.
an, a
C.
an, the
D.
a, a
【单选题】It's on the top of the shelf, out of ______.
A.
distance
B.
reach
C.
touch
D.
attempt
【单选题】Every host and router on the Internet has an IP address, which encodes its
A.
host number
B.
host number and socket
C.
network number
D.
host number and network number
【单选题】● Every host and router on the Internet has an IP address，which encodes its (69) ． (69)
A.
host number
B.
host number and socket
C.
network number
D.
host number and network number
【单选题】Every host and router on the Internet has an IP address, which encodes its(72).
A.
host number
B.
network number
C.
host number and socket
D.
host number and network number
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