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【单选题】
刨削加工时 ,刨刀对工件的切削是( )。A.
连续的
B.
间歇的
C.
不连续的 ,且有冲击
D.
无法确定
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皮皮学刷刷变学霸
举一反三
【单选题】Tom is eager to ________ in the city's cultural life.
A.
replace
B.
afford
C.
participate
D.
adopt
【简答题】Tom is eager to _____________ in the city’s cultural life.
【单选题】根据生态学原理,要使能量流经食物链时消耗最少,人们应采取哪一种食物 结构( )
A.
以禽类、蛋类为主
B.
以淡水养殖的鱼虾为主
C.
以谷物和植物蛋白为主
D.
以猪肉等家畜的肉类为主
【简答题】T hough “Tom is eager to please.” and “Tom is easy to please.” possess the same ____ structure, they are transformed from two different ____ structures. Th is ’s why they have different meanings.
【简答题】A．与牙合面或切嵴相对应的髓室壁 B．与髓室顶相对应的髓室壁 C．与轴面相对应的髓室牙本质壁 D．髓室伸向牙尖突出成角形的部分 E．髓室底上髓室与根管的移行处 髓室顶
【单选题】Tom is eager to ( ) knowledge in different fields.
A.
arrange
B.
accomplish
C.
absorb
D.
approach
【单选题】—I don’t know if Tom will attend the party until now. — Really? Tom is eager to do so.
A.
In the end
B.
As a result
C.
On purpose
D.
Believe it or not
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