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【多选题】
我国《担保法》规定的担保形式有( )。
A.
保证
B.
定金
C.
抵押
D.
违约金
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【单选题】有一直齿圆柱齿轮,m=4,z=36,它的分度圆直径为 。
A.
124
B.
134
C.
144
【单选题】有一直齿圆柱齿轮,m=4,Z=36,它的分度圆直径为( )。
A.
152
B.
134
C.
144
D.
140
【单选题】有一直齿圆柱齿轮,m=4,Z=36,它的分度圆直径为( )mm。
A.
152.0
B.
134.0
C.
144.0
D.
140.0
【单选题】有一直齿圆柱齿轮,m=4,Z=36,它的分度圆直径为( )mm。
A.
152
B.
134
C.
144
D.
140
【单选题】Johann Fust probably helped Gutenberg by
A.
providing experiment equipment
B.
setting up a press
C.
providing money
【简答题】简述双子叶植物叶片的解剖结构。
【简答题】简述双子叶植物叶的结构。
【简答题】Johann Gutenberg, who worked as a goldsmith (金匠), took what had already been discovered, and created a small invention that changed history. He created a machine that allowed him to move small blocks ...
【简答题】Johann Gutenberg, who worked as a goldsmith(金匠),took what has already been discovered, and created a small invention that changed history. He created a machine that allowed him to move small blocks of...
【简答题】简述双子叶植物叶片的结构