9上Unit4知识点讲解1. Comic stripWhat’s on your mind, Eddie? (P. 48)on one’s mind意为“挂在心上、挂念”。例如：Don’t bother him. He’s got a lot on his mind.My health is always on my mother’s mind.What’s up? (P. 48)What’s up?意为“怎么啦？出什么是啦”，相当What’s wrong?/What’s the matter?例如：What’s up. She is crying.What’s up with the two girls?Don’t wake me up until you finish building it. (P. 48)① wake sb. up意为“把某人唤醒”，wake up意为“醒来”。例如：His mother often wakes him up at 6:00 in the morning.I usually wake up at 6:30.② not...until...意为“直到……才……”。例如：I won’t go to bed until I finish my homework.He didn’t have lunch until his mother came back.2. Welcome to the unitBooks allow me to learn about people in different times and places, and I can read them whenever I want to. (P. 49)① times此处用作复数形式，表示“时代、时期”。in modern times 在现代 in ancient times 在古代② whenever作连词，意为“无论时”，相当no matter when,用来引导时间状语从句。例如：Whenever you come, you are welcome.Whenever we see him, we speak to him.I like to learn about the world through the Internet. (P. 49) through这里用作介词，表示“凭借、依靠”。例如：He becomes rich through hard work.He learned of the new book through his c |
