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【单选题】
由载荷、剪力图和弯矩图三者间的关系,可概括一些规律性结论,正确的是 。A.
集中力作用处，M 图连续；集中力偶作用处， 图不连续
B.
集中力作用处，M 图发生转折；集中力偶作用处， 图连续
C.
集中力偶作用处，所对应的M 图在此处的左、右斜率将发生突变
D.
集中力偶作用处， 图会有变化
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举一反三
【简答题】In 1956 Phoenix, Arizona, was a city with boundless blue 1 . One day as I walked around the house with my sister Kathy’s new parakeet （小鹦鹉）on my finger, I wanted to show Perky what the sky looked like...
【单选题】She was full of pity __________ the little boy with no one to love and care for him.
A.
with
B.
in
C.
for
D.
on
【简答题】achieve fame for one's wit, wisdom and civic duty
【单选题】Water is very important for us and no one can live ______________ it.
A.
without
B.
besides
C.
except
D.
with
【单选题】As used in the passage, the word 'gargle' means______.
A.
to wash one's mouth and throat with a liquid in motion by breathing through it
B.
to eat something with a continuous and often audible action of one's jaws
C.
to bite and work in the mouth with one's teeth, especially to make it easier to swallow something
D.
to cause or allow something, especially food or drink, to pass down one's sore throat
【简答题】用所给词的正确形式填空. 1. He is leaving the____(one) week in June. 2. She is going bike____(ride) with her friends this Sunday. 3. I want to take an____(excite) vacation. 4. He plans ____(buy) his son a compute...
【单选题】______ Roman mythology, god Jupiter was accepted as the most powerful one.
A.
Like
B.
For
C.
With
D.
In
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