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【单选题】
关于ICMP差错控制报文的描述中,错误的是( )。A.
不享受特别优先权
B.
需要传输至目的主机
C.
包含故障UDP数据部分
D.
伴随抛弃出错数据报产生
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举一反三
【单选题】Jack wasn’t saying anything，but the teacher smiled at him________he had done something very clever. (2011·湖南，33)
A.
as if
B.
in case
C.
while
D.
though
【单选题】Jack wasn’t saying anything, but the teacher smiled at him _______ he had done something very clever.
A.
as if
B.
in addition
C.
when
D.
though
【单选题】The two dogs were used to_______ in this strict way and they were once used to _____ prisoners who had run away from prison. [ ]
A.
being trained, search for
B.
being trained, looking for
C.
be trained, search for
D.
training, look for
【简答题】请写出下列英文对应的中文:packing loan( );outward bills( );inward bills( );bill discount( );supplier's credit( );buyer's credit( );shipping guarantee( ).
【多选题】通过制定管理制度规避培训风险,需要考虑()。
A.
明确双方的权利和义务
B.
员工参加培训的原因
C.
明确双方的违约责任
D.
员工将来的发展方向 ’
E.
建立相对稳定的劳动关系
【简答题】Who used to pay for most public transport?
【单选题】The trains___ the travellers who want to go to other places.
A.
used to carry
B.
get used to carrry
C.
are used to carry
D.
are used to carrying
【单选题】If every student who was in the eleventh grade in 1996 and who used a computer in school at least once a week used a computer at least once a week in 1997, and if 20% of those students who were in the...
A.
40%
B.
50%
C.
60%
D.
70%
E.
80%
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