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【单选题】
利用高压气流使物料的颗粒之间互相碰撞而产生强烈粉碎作用的粉碎设备是( )A.
球磨机
B.
流能磨
C.
锤击式粉碎机
D.
冲击柱式粉碎机
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举一反三
【简答题】听力原文：Why did the farmer say to the doctor 'Here I am again'? Why did the farmer say to the doctor 'Here I am again'? Because he wanted to make the doctor believe that he was not ______.
【单选题】李某于2018年将一套房屋租给刘某居住,双方约定租期一年,房租预付,半年一次,2018年6月30日刘某没有支付房租,李某碍于情面也未催要,2019年1月1日,刘某在未支付其余租金的情况下搬出住房,不知去向。在李某的多次寻找与催讨下,刘某在2021年6月1日写下还款计划书,保证于2021年12月31日前将房租付清,但到期后仍未支付,则李某请求刘某支付租金的诉讼时效期间届满日为( )
A.
2025年1月1日
B.
2024年1月1日
C.
2024年6月1日
D.
2025年6月1日
【单选题】—What did your mother say on the phone? —She asked ______. [ ]
A.
why did I fail the exam
B.
why I failed the exam
C.
why did you fail the exam
D.
why I fail the exam
【单选题】Why did archaic humans in Flores become dwarf?
A.
Because there was a small gene pool.
B.
Because they consumed little food due to the lack of resources.
C.
Because they suffered metabolic disorders.
【简答题】-- What did your mother say on the phone? -- She asked _______ . A. why did I fail the test B, why I failed the test C. why did you fail the test
【单选题】—What did your mother say on the phone? —She asked _______? [ ]
A.
why did I fail the test
B.
why I failed the test
C.
why did you fail the test
D.
why you failed the test
【简答题】听力原文：Why did grandfather look upset? Why did grandfather look upset? Because ______________.
【多选题】Why is the period between the fall of the Mycenaean civilization and the Archaic Age called the Dark Ages?
A.
Little is known in this period.
B.
Commercial and social exchanges between communities were dangerous.
C.
Kings held political power.
D.
Heads of powerful families held political power.
【简答题】听力原文：Why did the farmer decide to see a doctor in the nearest town? Why did the farmer decide to see a doctor in the nearest town? Because his own doctor failed to ______ him.
【简答题】听力原文：Why did Bill give this advice? Why did Bill give this advice? Because Tom always does ______ of what people have advised.
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