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【单选题】
相同灰分的烟煤和无烟煤在风口前放出热量,烟煤放热比无烟放热( )。A.
高
B.
相等
C.
低
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举一反三
【单选题】–Alice, why didn’t you comeyesterday? --I _______,but I had an expectedvisitor.
A.
had
B.
would
C.
was going to
D.
did
【单选题】Why was the Pigeon upset at Alice?
A.
The Pigeon took Alice for its enemy.
B.
The Pigeon took Alice for the serpent.
C.
The Pigeon thought Alice was a serpent trying to get at the eggs in her nest.
D.
The Pigeon thought Alice would eat it.
【单选题】What would happen if Miguel couldn’t get back before sunrise?
A.
He would die,completely turning into a skeleton and could never go back as a living person.
B.
He could become a musician in spite of his family’s curse.
C.
He couldn’t play music as he liked.
D.
Nothing would happen.
【简答题】正弦函数 y=sinx 是 函数(奇偶性)
【简答题】判断奇偶性:正弦函数y=sinx 是 函数(填空:奇或偶)
【单选题】Why couldn't Miguel be the guest of honor at the Sunrise Spectacular of de la Cruz?
A.
Because his skeletal transformation would be complete at sunrise.
B.
Because he didn't want to be present.
C.
Because Hector prevented him from doing so.
D.
Because his family members prevented him from doing so.
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