函数f（x）=lnx+x﹣2的零点个数是（　　）

下列各组数中，是方程4x+y=10的解的有（   ）

（1） $\{\begin{array}{c}x=2\\ y=2\end{array}$ ；（2） $\{\begin{array}{c}x=3\\ y=1\end{array}$ ；（3） $\{\begin{array}{c}x=2\\ y=-2\end{array}$ ；（4） $\{\begin{array}{c}x=1\\ y=6\end{array}$ ．

将下列的词分为两类。

　狡猾　果断　机灵　武断　夸奖　鼓励　勾结　夸耀　得意洋洋

①____

②____

⑴What's this? ____                 A. He's my brother.

⑵How are you? ____              B. It's a pig.

⑶Who is he? ____                  C. Yes，I'm tall.

⑷Where is she? ____             D. I'm fine，thank you.

⑸Are you tall? ____               E. She's in the classroom.

⑹What can you do? ____      F. I can read.