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【简答题】
分别是在分析机的设计中,巴贝奇采用了三个具有现代意义的装置分别是________、________、________。
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反馈参考答案：
举一反三
【简答题】果蔬干制品干制过程中有哪些变化？
【单选题】His principal reason for making the journey was to visit his family.
A.
principle
B.
possible
C.
main
D.
initial
【单选题】When applying for Wildlife Watch membership,a Rockwatch member can enjoy _________.
A.
free membership
B.
a special discount
C.
a Rock Artist prize
D.
guided road shows
【单选题】Is this the reason ________ at the meeting for his carelessness in his work?
A.
explained
B.
what he explained
C.
how he explained
D.
why he explained
【单选题】地面按面层所用材料和施工方式不同具有不同的分类，水泥砂浆地面、细石泥凝土地面和现浇水磨石地面是属于（）。
A.
整体地面
B.
镶铺类地面
C.
粘贴类地面
D.
涂料类地面
【单选题】Is that the reason ________he explained to all at the meeting for his carelessness in his work? Actually we think he is a man who is hard ________ himself especially in work.
A.
that; on
B.
what; with
C.
why; at
D.
which; to
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