1.compete动词，意为“竞争;对抗”compete for为…而竞争 eg : They have to compete for their freedom.，今天小编就来聊一聊关于人教版8年级英语unit2sectionb?接下来我们就一起去研究一下吧!
人教版8年级英语unit2sectionb
1.compete动词，意为“竞争;对抗”
compete for为…而竞争 eg : They have to compete for their freedom.
compete with/against和……争 eg: The two countries compete with/against each other for a long time.
compete in参加……竞争拓 eg: Will you compete in the race?
competitor n.竞争者;竞争对手 competition n.竞争;比赛(= contest)
enter a competition参加比赛 hold a golf competition举办高尔夫比赛
2.quick作形容词，意为快的;迅速的的 quickly作副词，意为“快地;迅速地”。
have a quick dinner= have dinner quickly，意为“匆匆地吃晚饭”。
quick与fast
quick形容动作迅速;敏捷，强调动作反应快
fast形容词，副词,强调速度快
Eg:Be quick, or we’ll be late快点儿，否则我们要迟到了。
Eg:He runs fast. He is a good runner他跑得很快，是一个很好的跑步运动员.
3.continue动词，
1>意为“继续;连续”(=go on)。 continue to do sth 继续做另外一件事 continue doing sh.继续做同一件事 continue with sth. Eg:They continued to stay there for years他们继续在那里待了几年。2> continue v.接着讲
Eg:She continued that the government should pay more attention to the migrant workers她接着说政府应该多关心农民工。
4. compare作动词，意为“比较;与…相比”，常与介词wih或to连用，表示同类事物的具体比较。
Eg:It’s not necessary to compare yourself with others没有必要拿自己和别人比较。
Eg: Books can be compared to friends书籍可被比作朋友。
比较 compare to.后用名词或代词作比较的对象，常含有喻、类比的意味。
Eg:The youth are often compared to the rising sun青年常被比作初升的太阳。
4. push作及物动词，意为“推开；按；说服，鼓励；催促; 逼迫；迫使…生气（或不安）
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I pushed the door open. 我推开了门。
I pushed the button for the top floor. 我按了到顶层的按钮。
My teacher pushed me into entering the competition. 我的老师劝我参加比赛。Her parents are very tolerant, but sometimes she pushes them too far. 她的父母十分宽容，但她有时也让他们忍无可忍。”
短语
push sb.hard给某人压力;迫某人eg:Don’t push him so hard.别逼他太紧。eg:My parents always push me to do my homework我的父母总是催促我做家庭作业。 push one’s way to/into挤上列 eg: We pushed our way into the train. 我们挤上了火车。
5.cause
(1）作动词，意为引起，导致，发生。
cause sth.导致/引起某事
cause sh. for /to sb.导致某人做某事
cause sb.to do sth.导致某人做某事
Eg: Does smoking cause cancer?抽烟致癌吗?
Eg: His little son used to cause a lot of trouble for his family.
(2)作名词，意为“原因:起因”，常指客观存在的原因，多与of 连用。
连用 eg:Everything that happens has a cause and an effect.
任何事情的发生都有因果关系
cause， excuse与 reason区别：
cause主要指导致某种结果，客观存在的原因。
cause of doing sth./sth.(做)…的起因
Eg:No one knew the cause of yesterday’s fire没有人知道昨天火灾发生的原因
excuse多指为免受指责或推卸责任而找的“理由;借ロ”。
Eg: Late again! What’s your excuse this time?又迟到了!你这次有什么借?
reason指产生某种行为或想法的推理性理由。 reason for doing sth./sth.(做)…的理由
Eg: She gave no reasons for her decision她没有对地的决定做出任何解释。
6.opinion (1)作为名词，意为“意见”“见解”后面多接on /of /about /that
in one’s opinion意为“按某人的意思”，常用来表达某人的意见或看法，相当于“sb. thinks that。” eg:In her opinion， she has the least hope of getting into a university.在她看来，她上大学 eg:In my parents’ opinion, students shouldn't be allowed to go out on school nights 在我父母看来，学生在上学期间的晚上不应该被允许外出。eg；What’s your opinion of the new President?你对新总统看法如何?eg: My opinions about education have changed我的教育观念已经改变了。(2)作名词，意为“评价”，多与 good， bad、high、low等连用。短语have a good/ high opinion of对………评价好/高 have a bad/ low opinion of对……评价差/低
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