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【单选题】
在OSI的七层模型中负责路由选择的是:A.
物理层
B.
数据链路层
C.
网络层
D.
传输层
拍照语音搜题，微信中搜索"皮皮学"使用
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参考解析：
知识点：
皮皮学刷刷变学霸
举一反三
【单选题】We have instructed our bank to _ an L/C in you favor.
A.
establish
B.
draw
C.
do
D.
make
【单选题】We have instructed our bank to open the covering L/C ___ your favor.
A.
in
B.
to
C.
with
D.
of
【简答题】We have pleasure ______ introducing ourselves to you______the hope that we may have an opportunity of cooperating with you.
【单选题】We have to delay the party till next week, ____we will not have something important Tod o.
A.
when
B.
which
C.
atwhich D that
【单选题】We have instructed our bank to ___________ an L/C in your favor.
A.
establish
B.
draw
C.
do
D.
make
【单选题】We have instructed the Bank of China to a sight L/C in your favor.
A.
draw
B.
do
C.
make
D.
open
【单选题】We shall be grateful ___ you will keep the damage cases until called for by forwarding agent, ___ we have instructed accordingly.
A.
if, who
B.
that , who
C.
if, whom
D.
that , whom
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