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【单选题】
患者认真讲了一番话,但周围的医生们都不理解他要说什么问题,该症状为A.
思维被夺
B.
思维被洞悉
C.
思维贫乏
D.
思维散漫
E.
思维迟缓
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举一反三
【单选题】The Roman roads at first were built for ______.
A.
connecting the cities within the country
B.
moving soldiers and weapons around
C.
transporting goods within the country
D.
amusing travelers and traders
【单选题】There were no roads accessible to the earthquaks—stricken town and food_________had to be dropped by parachute.
A.
chains
B.
resources
C.
supplies
D.
feasts
【单选题】Because all the roads leading to the mountain village ______, the rescue workers were not able to reach it to help. [ ]
A.
were blocked
B.
are blocked
C.
have been blocked
D.
had been blocked
【单选题】There _______ a lot of _______ on the roads yesterday.
A.
was , traffic
B.
were , traffics
C.
was , traffics
D.
were , traffic
【简答题】The narrow roads were______(crowd) with holiday traffic.
【简答题】设函数u=u(x,y)的全微分du=[e x +f'(x)]ydx+f'(x)dy，其 中f在(-∞，+∞)内具有二阶连续的导数，且f(0)=4，f'(0)=3，求f(x)及u(x,y)
【单选题】The Greeks were not interested in building roads because ______.
A.
they didn't want the city-states to be dependent on one another
B.
they thought the roads between the cities were not good enough
C.
they liked the natural landscape full of mountains
D.
they could easily reach other lands by sea
【单选题】_______ the roads were slippery, drivers should exercise their extreme caution to avoid traffic accidents.
A.
However
B.
Despite
C.
For
D.
Since
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