以下不属于程序性知识的是()。
A.基础研究
B.描述性研究
C.应用研究
D.开发研究
参考答案:B
设log89=a,log35=b,则lg2=( )。
I have no camera to lend to you, but my brother has _____. He bought ___ only a few days ago.
A.it; one
B.one; it
C.it; it
D.one; one