皮皮学，免费搜题
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搜题
【单选题】
甲亢病是由于（ ）A.
胰岛素分泌不足
B.
甲状腺激素分泌过多
C.
生长激素分泌不足
D.
甲状腺激素分泌过少
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皮皮学刷刷变学霸
举一反三
【单选题】I had some problems _____ my homework.
A.
to finish
B.
finishing
C.
finishes
D.
finish
【单选题】I was too late to pick up my uncle at the airport because I had to finish some schoolwork.
A.
Right
B.
Wrong
C.
Not mentioned
【简答题】邮递员张叔叔每天投报 75 份,李阿姨每天投报 60 份。 (1)他们每天共投报 _______ 份, x 天共投报 _________ 次 。 ( 2 )用第( 1 )题中的式子,计算他们 30 天的总投报数。 2 、计算下面各题。 2a+6a = 11x-9x= 8y-y= b+7b=
【单选题】I turned down his invitation to the party since I had to finish my homework that night.
A.
declined
B.
sent
C.
accepted
D.
received
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