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【单选题】
在以下主要的隧道协议中，属于第二层协议的是（ ）A.
GRE
B.
IGRP
C.
IPSec
D.
PPTP
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皮皮学刷刷变学霸
举一反三
【单选题】He invited all his ______ to join in his wedding party
A.
comrades-in-arms
B.
comrades-in-arm
C.
comrade-in-arms
D.
comrades-ins-arms
【简答题】井下空气中常见的有毒有害气体有哪些？
【简答题】He invited all ______ who had ever given him help in the past． A．these B．they C．them D．those
【单选题】all his courage, he invited Celine to get off the train with him．
A.
To gather
B.
Gathered
C.
Gathering
D.
Being gathered
【简答题】运用学过的文体写作知识，对下面这篇工作总结进行分析 提示： （1）分析应主要着眼于文章的一般写法，要对文章的总体结构和各构成要素作简要的说明、分析。 （2）既要注意运用所学知识，又要注意结合原文。 （3）分析要有条理。 中国建筑学会2005的工作总结 2005年在建设部和中国科协的领导下，我会以“”重要思想为指导，认真开展保持员先进性教育，坚持科学发展观，围绕国家和建设行业的中心任务...
【单选题】I think he wouldn't come unless he ______. [ ]
A.
was inviting
B.
was invited
C.
invited
D.
invites
【单选题】Henry set up a club for football fans, ________ he invited all his friends．
A.
for whom
B.
to whom
C.
to which
D.
from which
【单选题】all his courage, he invited the lady to get off the train with him.
A.
Being gathered
B.
Gathered
C.
To gather
D.
Gathering
【简答题】He invited all his ______ to join in his wedding party. A) comrades-ins-arms B) comrades-in-arm C) comrade-in-arms D) comrades-in-arms
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