石油沥青的黏性用( )表示。
A
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Onlywhenyouhaveobtainedsufficientdata________cometoasoundconclusion.
求曲线y=x^2与直线y=0，x=1所围成的平面图形绕x轴旋转一周所得旋转体的体积V.
Theteamplayedhardbecausethechampionshipofthestatewas______.
Hethoroughlyunderstoodthesociety__________.
Hardlyhadhefinishedhisspeech________theaudiencestartedcheering.