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【判断题】
从定积分的几何意义来看,定积分表示:"有号面积"。(    )
A.
正确
B.
错误
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举一反三
【单选题】They felt so _____ that they _____ go to  bed early. [     ]
A.
excited; could
B.
excitedly; could
C.
excited; couldn't
D.
excitedly; couldn't
【单选题】The film was so _________ and it made me feel so_________.
A.
exciting;excited
B.
excited;excited
C.
exciting;exciting
D.
excited exciting
【判断题】并联谐振回路谐振指,输出电压与输入电流同相, 回路呈纯阻特性。
A.
正确
B.
错误
【单选题】指数是从某一现象在不同时期的两个数值进行对比的结果,因此指数的数值具有( )
A.
相对性
B.
综合性
C.
数量性
D.
代表性
【单选题】He is so _________ when he hears the __________news.
A.
excited; exciting
B.
excited; excited
C.
exciting; exciting
D.
exciting; exciting
【单选题】When he heard the _________ news, he was so _______.
A.
exciting; exciting
B.
excited; excited
C.
excited; exciting
D.
exciting; excited
【单选题】We felt so _____ because of the ______ news. [     ]
A.
exciting; excited
B.
excited; exciting
C.
excited; excited
D.
exciting; exciting
【单选题】The news was so ________ that we all felt .
A.
exciting, excited
B.
excited, exciting
C.
excited, excited
D.
exciting, excitedly
【单选题】Peter was so excited __________ he received an invitation from his friend to visit them.
A.
where
B.
that
C.
why
D.
when
【单选题】★1284.食品色彩的研究和运用,最终目的是( )。
A.
烘托主题
B.
愉悦视觉
C.
服务食用
D.
渲染气氛
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