3.数列的个位数,则数列的第2010项是
( )
A.1 B.3 C.9 D.7
A. B. C. D.3
2.已知抛物线的焦点与双曲线的一个焦点重合,则该双曲线的离心率为 ( )
A. B. C. D.
1.已知全集 ( )
35.need ① need sth
② need to do sth
③ sth need doing =sth need to be done
I am also a student. 我也是一个学生
I am a student too. 我也是一个学生。
I am not a student either. 我也不是一个学生。
34. also 也 用于句中
either也 用于否定句且用于句末
too 也 用于肯定句且用于句末
33. care about sb. 关心某人 如:Mother often care about her son.
32. practice doing 练习做某事 She often practice speaking English.