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【简答题】
因为长方体的表面积等于上、下面的面积 + 前、后面的面积 + 左、右面的面积, 所以长方体的表面积 = 长 ×宽×2+长×高×2+宽×高×2 = ( )×2
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举一反三
【单选题】Read the following passage. Tell if it is reasoning or explaining.New-born babies may lack the capacity to monitor their own breathing and body-temperature during the first three months of life. Babie...
A.
reasoning
B.
explaining
C.
both
D.
neither
【简答题】Well-fed babies should sleep through the night.
【单选题】关于A群链球菌,下列哪项是错误的?
A.
是链球菌中致病力最强者
B.
所致化脓性感染易扩散
C.
可引起变态反应性疾病
D.
可产生多种外毒素和胞外酶
E.
多数菌株对青霉素耐药
【单选题】Babies who sleep with their parents receive much more tactile stimulation than babies who sleep in a cot.
A.
of the touch
B.
caring
C.
from the parents
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