Jenny likes eggs, oranges _____ bananas. [ ]
A. but
B. with
C. and
D. of
答案:C
把多项式a2-3a-18因式分解正确的是( )
A.(a-2)(a+9)
B.(a-9)(a+2)
C.(a-6)(a+3)
D.(a+6)(a-3)
以下出口商品中,经检验检疫合格后,应加贴验讫标志的是______
A.打火机 B.玩具 C.电动剃须刀 D.化妆品