Unit 3 Teenage problems 知识点归纳一、词组、短语归纳Welcome to the unit1
get enough sleep 得到足够的睡眠2
be on (灯、电视等)开着、亮着,上演3
drive sb mad = make sb mad把某人逼疯(go mad 发疯)4
close friends 亲密的朋友5
feel lonely 感到孤单(主观)live alone 独自居住(客观)6
get low marks in exams 在考试中得低分Reading7
how … deal with…=what… do with…怎样处理……8
have no choice but to do sth 除了做某事别无选择9
stay up (late) 熬夜10
stay awake 保持清醒(作表语、宾语补足语)11
imagine (sb) doing sth 想象、设想做某事12
I often doubt whether / if it is worth spending so much time on homework(doubt 在肯定句中接 if / whether 引导的从句)There is no doubt that you can solve the problem by yourself (doubt 在否认句中接 that 引导的从句)13
be (well) worth (doing) sth (很)值得做某事 The Summer Palace is worth a visit 颐和园值得一游 The picture is worth 20 dollars 这张图片至少值二十美元The book is well worth reading /It's well worth reading the