荧光录井过程中,对岩样()、()、()的荧光颜色,浸泡后溶液的荧光颜色以及浸泡加热溶液的荧光颜色都要仔细辩认并准确记录。
参考答案:湿照;干照;滴照
把多项式an+3+an-2(n为大于2的正整数)分解因式为( )
A.an(a3+a-2)
B.a2(an+1+an-4)
C.an-2(an+1+1)
D.an-2(a5+1)
Look at the _____ girl! How_____ she is dancing! [ ]
A. happy, happy
B. happily, happily
C. happy, happily
D. happily, happy