无理数有π3,2,2-1,52,共4个,
故选B.
企业所得税按纳税年度计算,纳税年度自公历1月1日起至12月31日止。()
用所给单词的适当形式填空。
1.一____you____(go)to Visit the Great Wall?
一Yes.I did.
2.The people there were____ (friend).
3.What____ (activity)did you have last term?
4.Don't go outside. It____(rain)now.
5.Let's____ (discuss)the answer to the question.