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【多选题】
HTTP/1.0不可以使用以下哪些连接方式?
A.
非持续的连接
B.
非持续的流水线连接
C.
持续的连接
D.
持续的流水线连接
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举一反三
【单选题】You can't go out _____ you _____ all your work.
A.
if; will finish
B.
in case; finish
C.
unless; finish
D.
if; will not finish
【判断题】You can't go out now, for it is dangerous outside.
A.
正确
B.
错误
【单选题】Bob, you can't go out to play with your friends until your homework
A.
will finish
B.
is finished
C.
will be finished
D.
has finished
【单选题】根据埃里克森的发展八阶段论,青年期的矛盾是
A.
信任对怀疑
B.
主动对内疚
C.
勤奋对自卑
D.
自我同一性对角色混乱
【单选题】You can't go out and play ______ you've done your homework. [     ]
A.
when
B.
since
C.
while
D.
until
【单选题】焊接锅炉壳体,比较适合的方法是 。
A.
手工电弧焊
B.
埋弧自动焊
C.
摩擦焊
D.
软钎焊
【单选题】—John, you can't go out to play until your homework _____. —OK, Mum. [     ]
A.
finishes
B.
has finished
C.
is finished
【简答题】Without __________ you can't go out. (permit)
【多选题】根据目标市场范围和焦点(专注于成本还是差异)这两个维度可以把旅行社的产品战略分为()、()、()和差异化集中战略四种类型。
A.
成本领先战略
B.
差异化战略
C.
成本集中战略
D.
无差异化战略
【单选题】You can't go out since you haven't finished your homework; _____, it is a stormy night. [     ]
A.
however
B.
suddenly
C.
immediately
D.
besides
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