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【简答题】
聚丙烯腈的最强谱带在()波数,特征谱带在()波数。
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【单选题】Which of the following is true of Earl Millers research?
A.
It discovers neuroplasticity.
B.
It is the first study of this kind.
C.
It studies one environmental feedback.
D.
It attests to one cause of neuroplasticity.
【判断题】加强筋的筋与筋之间的间隔距离应小于塑件壁厚
A.
正确
B.
错误
【单选题】The teacher ______ the papers and the test began. [     ]
A.
gave in
B.
gave away
C.
gave out
D.
gave up
【单选题】我们估算49×6时,把49看成 [     ]
A.
40
B.
45
C.
50
【单选题】The two boys fought and fought until one_____________.
A.
gave up         
B.
gave in            
C.
gave away       D gave off
【简答题】49□800≈49万,□里可以填______. 39□8000000≈40亿,□里可以填______.
【简答题】The Millers gave a big party on Ling's ________(最后一次) evening in San Francisco.
【简答题】直接写得数。 49-40= 5×4= 32-12= 5×6= 30+9= 4×6= 6×3= 35+4=
【简答题】源程序转化成机器语言的两种方式是:_____和编译。
【单选题】What is true about Earl Millers research?
A.
It discovers neuroplasticity.
B.
It is the first study of this kind.
C.
It studies one environmental feedback.
D.
It attests to one cause of neuroplasticity.
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