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【判断题】
乳痈的主要病因病机之一是乳汁淤积,阻塞乳络
A.
正确
B.
错误
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举一反三
【单选题】. If a computer crashes, you will lose the file you _________unless you save it regularly.
A.
are working
B.
work
C.
will work
D.
worked
【单选题】John will not listen to you ______ you are fight.
A.
whether
B.
since
C.
unless
【单选题】your DNA is _____unique______ to you——unless you have an identical twin
A.
 your DNA is _____unique______ to you——unless you have an identical twin A.common
B.
good
C.
helpful
D.
unique
【单选题】is a symbol of Australia.
A.
Sydney Harbor Bridge
B.
Darling Harbor
C.
Sydney Tower
D.
Sydney Opera House
【单选题】_____ you have confidence, you will be successful in everything you are interested in. [     ]
A.
Unless
B.
Once
C.
Whether
D.
Before
【简答题】电路的状态有通路(闭路)、 和
【判断题】改革改的是新中国成立以后模仿苏联建立起来的高度集中的计划经济体制,目的就是解放生产力。( )
A.
正确
B.
错误
【简答题】Unless you practice English constantly,____________(否则)
【判断题】电路的状态有断路、短路、开路三种。
A.
正确
B.
错误
【简答题】A.European immigrants flooded into the city. B.More and more rushed there for gold. C.It became a resting place for US soldiers. D.The Darling Harbor redevelopment project boosted the expansion.
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