下列关于植物组织培养的叙述中，错误的是

—I have difficulty in learning Chinese. Could you give me some help?

—Sure. Reading a lot will help you improve your Chinese.

当你进入迎接中考的复习阶段，可能会出现紧张、烦躁等不良情绪。下列调适情绪做法中不可取的是 

如图所示，用力把一个物体压在竖直的墙壁上使其静止，请画出物体所受摩擦力的示意图。

⑴How does your brother feel? ____     A. They are thirsty.

⑵How does your sister feel? ____        B. He's sad.

⑶How does your dog feel? ____          C. I am cold.

⑷How do they feel? ____                     D. She's tired.

⑸How do you feel? ____                      E. We are cool.

⑹How do we feel?____                        F. It's hungry.