Module 4 单元知识点归纳讲解
重点单词聚焦
【词条1】prevent
tf是什么意思【课文原句】To prevent it coming nearer, the government is planting trees. (Page 32)
【点拨】prevent … (from) doing … 此处意为“阻止……做……”，from可以省略。整句话意为“为了阻止沙漠的逼近，政府已经开始植树”。如：
Nobody can prevent us marching forward.
英语字母书写格式
【拓展】类似的还有stop / keep …(from) doing …。在keep … from doing …中，from不能省去。因为keep … doing …意为“让……一直做……”。如：
The loud noi outside kept / prevented / stopped me from sleeping.
The teacher kept me writing the words one hundred times.
【词条2】concerned
贸易收支【课文原句】
I can’t help but feel very concerned. （Page 36）
【点拨】
concerned此处意为“关心的，担心的”。后面跟about / for或者that从句。如：I’m concerned that they may have got lost.
She is much concerned about / for her daughter’s studies.
【拓展】
concern当名词讲时，意为“担心，忧虑”。搭配为concern for / about / over sb / sth 或者that从句。如：dreaming
She showed great concern about you.
There is growing concern that they may have been killed.
【词条3】mass
高二英语学习方法
【课文原句】
Scientists have tried many ways to solve this problem and in China, a mass campaign has been started to help solve it. (Page 32)
【点拨】
statedmass 在此意为“大规模的”。另外，mass 还有“大量、大批”的意思，可构成a mass of 或mass of，既可修饰可数名词，又可修饰不可数名词。整句意为“在中国，科学家们尝试用多种方法去解决这一问题，一场大规模治理沙尘暴的活动已经开始来帮助解决这一问题”。
如：
Before the rain, the sky had a mass of clouds.
Mass of snow and rock broke away and fell on the climbers.
【词条4】survive
【课文原句】You just had to hope you’d survive. (Page 32)
survive 此处意为“幸存，生还”，为不及物动词, 后可跟介词from或者on。整句意为“你只能希望自己能够幸免”。如：
Of all the people in the plane that crashed, only six survived.
Many old rules have survived from times.
【拓展】survive当及物动词讲时，意为“经历（某事）而幸存”。如：
Few buildings survived the sudden big earthquake.
This plant may not survive the frost.
榉【词条5】complain
【课文原句】He does nothing but complain. (Page 36)
西瓜的英文【点拨】complain 在该句中意为“抱怨，发牢骚”，整句意思是“他什么都不做，只是抱怨”。
【拓展】1. complain （to sb）about /at sth 意为“对……抱怨，对……发牢骚”。如：
She complained to me about his rudeness.
buk2. complain of sth 意为“诉说有……病痛”。如：
The patient is complaining of a rious heartache.
>methodical
