当油墨在外力作用下,多搅变得稀些且流动性增大,而静止一段时间后又变得粘稠些,油墨这个性质叫()。
A、粘性
B、粘度
C、触变性
参考答案:C
— What do you think of your English teacher's work?
— It's ______ all praise. [ ]
A. for
B. over
C. beyond
D. with
若多项式x3+x10=a0+a1(x+1)+…+a9(x+1)9+a10(x+1)10,则a9=().
A.9
B.10
C.-9
D.-10