外研版新标准英语八上M12U2的主要内容是介绍了地震发生时的自救措施以及相关的注意事项。作者从室内和室外两个方面，提出了应对地震的自我保护措施。
U2重点句子
1.Think about what to do in an earthquake.考虑一下在地震中我们该做什么。（1）think about考虑 （2）what to do是疑问词加不定式的用法Can you tell me how to get to the zoo?
2.Earthquake always happen suddenly, so it is difficult to warn people about them.地震总是突然发生，所以很难向人们发出预警。（1）It is/was+形容词+（for sb.)to do sth.对某人来说做某事是......（2）warn sb.about/of/against sth. 提醒/警告某人注意某事；warn sb.not to do sth.提醒/警告某人不要去做某事The teacher warned the students not to swim in the river.
3.Usually people have little or no idea about what to do during an earthquake, so here is some advice:人们对于地震中该做什么往往知之甚少，甚至一无所知。所以这里给大家提供一些建议：（1）have little or no idea about sth.对......知之甚少/一无所知（2）during an earthquake在地震期间（3）advice建议，不可数名词。a piece of advice一条建议
4.Do not jump out of high buildings.不要从很高的建筑物上往下跳。jump out of...从......往外跳
5.Stay away from windows and heavy furniture.远离窗户和沉重的家具。（1）stay away from 远离；躲避；离......远点（2）heavy furniture笨重的家具，furniture家具，不可数名词
6.keep clear of fires.勿靠近火源。keep clear of远离；避开；不接触
7.Leave the building quickly when the ground stops shaking, but do not use the lift.地面停止晃动时，应迅速离开建筑物，但是不要使用电梯。stop doing sth. 停下正在做的事情；stop to do sth 停下来去做另一件事情Let's stop to have a break because we are tired.
8.Keep calm, especially when you are with other people.保持镇静，尤其是身边还有其他人的时候。keep calm保持镇/冷静，keep保持，动词，后面加形容词/动名词。Keep studying，and you will be successful.
9.Move away from buildings, because parts of a building may fall on you. 远离建筑物，以为部分建筑可能会掉下来砸到你。（1）move away from... 从......离开；抛弃（2）fall on sb.落到某人身上
10.Do not stand near street lights or under power lines.不要站在路灯附近或电线下面。（1）near street lights在路灯附近（2）under power lines在电线下面
11.In the mountains, be careful of falling rocks.在山区要小心山上滚落的石头。（1）be careful of=be careful with 当心；小心（2）falling rocks滚落的石头/下落的石头
12.On a beach, run away from the sea and move quickly to higher ground.在沙滩上要跑离大海，迅速转移到高地。（1）on the beach 在沙滩上（2）run away from...逃跑；逃离（3）move...to...移动到......
13.In short, follow what you learnt in school.总之，按照在学校所学到的（地震）知识去做。in short总之；简而言之
14.You can be safe and you can also help save others.你可能不会有危险，还可能会挽救他人的生命。help do sth.=help sb.to do sth.帮助做某事The boy usually helps do housework.
U3重点句子
1.The team has a good chance this year. 这个队伍今年有个好机会。 have a good chance 有个好机会
2. Daming is in trouble. 大明陷入麻烦了。be in trouble 陷入麻烦，还可以用 get into trouble
3. Information is coming in that there could be trouble because of heavy rain in the north. 有消息称，由于北部地区的强降雨，有可能会有麻烦。(1) could形式上是can的过去式，二者都可以表示对现在或将来的推测，意为“会，可能” (2) because of 由于，因为，后直接加名词、代词或动名词，而because后面需要加完整的句子 (3) heavy rain 强降雨，大雨 (4) in the north 在北方，在北部
4.The government is warning people about falling rocks. 政府正警告人们注意落石。 warn sb. about sth. 警告某人注意某事
5.Some roads have a lot of rocks on them, but people are trying to clear the rocks off the roads quickly. 虽然有些道路上有很多石头，但人们正努力去把石头从道路上清理掉。 (1) try to do sth. 努力做某事，尽力做某事； try doing sth. 尝试做某事 (2) clear…off… 清除，摆脱，把……从……处清除掉
6.We could not get out of the room because the door would not open. 我们不能从房间出去，因为门打不开。 (1) could形式上是can的过去式，二者都可以表示对现在或将来的推测，意为“会，可能”，否定形式cannot (can’t)/ could not(couldn’t)表示“不能，不可以” (2) get out of逃避，摆脱，避免
7.My father called for help on his mobile phone. 我爸爸用他的手机呼救。 call for help 呼救 (2) on one’s mobile phone 用某人的手机
8.A tsunami, a huge ocean wave, was on its way across the sea. 海啸，一个巨大的海浪，即将横过大洋。(1) a huge wave 插入语，起解释说明的作用 (2)on one’s way 在某人做什么的路上 (3)across 介词，穿过，表示在物体表面穿过
9.Tilly’s teacher was very proud of her. 迪丽的老师为迪丽而感到骄傲。 be proud of 以……为傲，为……而感到骄傲
10. It is very lucky that our class were learning about this kind of tsunami just two weeks before Christmas.幸运地是我们班在圣诞节前的两周正好学习了关于这种海啸的课程。(1) it is + adj. + that 从句，做……是幸运地 (2) learn about 了解，学习 (3) this kind of 这一种类 (4) just正好，恰好
11.Many can cause a lot of damage. 许多都能导致大量的破坏。(1) cause 导致 (2)damage 不可数名词，破坏，损坏，损毁 (3)a lot of = lots of 既可以修饰可数名词复数，也可以修饰不可数名词
12.But now there are new ways of constructing buildings to make them safer and stronger during earthquakes. 但是现在有许多新的建造房子的方式使这些房子在地震中更安全更强悍。不定式to在句中引导目的状语，“目的是”
13. It sits on rollers. 它坐落在滚轮上。 sit on坐落在