人教版九年级Unit2知识点详解
人教版九年级Unit2知识点详解
（一）课文详解
汽车保险都有哪些1、What a great day!(P9)
本句是由what引导的感叹句。其结构为：What + a /an + 形容词+ 可数名词的单数形式（+主语+谓语+其他）
Eg: What a new bike(it is)! What a beautiful girl!
2、But I guess it was a little too crowded.(P9)
杂粮煎饼的做法1)这是一个含有宾语从句的复合句，I guess为主句，it was a little too crowded为省略了引导词that的宾语从句。在复合句中，当主句为一般现在时时，宾语从句可根据其具体情况使用
任意适当的时态。
Eg: I guess he is a policeman. I hear she went to Beijing by plane yesterday.
2)crowded adj.“拥挤的”。常用短语：be crowded with……“被挤满”。crowd v. “拥挤”
Eg: The shop near my house is always crowded with people.
Hundreds of people crowded into the church.
3、Bill wonders whether they’ll have zongzi again next year.(P9)
1)wonder此处用作既无动词“想知道”，相当于want to know. wonder在不同的句式中表达的
意思不相同：
后接who,what,why等连接词引导的宾语从句及“疑问词+动词不定式”结构时，意为“想知道”
Eg: I wonder who that boy is.
后接if或whether引导的宾语从句时，表示一种委婉的请求或疑问
Eg: I wonder if I could use your mobile phone.
后接that引导的宾语从句以及动词不定式短语时，表示“对…感到惊讶”
Eg: I wonder to see her looking so cheerful.
wonder n.奇迹，奇观wonderful adj. 壮观的，奇妙的，精彩的
eg: What are the Seven Wonders in the world? We had a wonderful time in the park last Sunday.
2)whether连词，“是否，是不是”，引导宾语从句，相当于if。
Eg: He wonders whether / if it will be fine tomorrow.
辨析: whether if
二者都可以引导宾语从句，意为“是否”，一般情况下可以互换。
Eg: I don’t know whether / if she can work out the problem.
二者在引导宾语从句时，whether可直接与or not连用，而if不可以
Eg: I don’t know whether or not I should go.
if可以引导条件状语从句，意为“如果”，而whether不可以
Eg: If it doesn’t rain tomorrow, we will go camping.
if可以用于虚拟语气中，而whether不可以
Eg: If I were a bird, I would fly in the sky.
4、Bill and Mary believe that they’ll be back next year to watch the races.(P9)
believe此处用作及物动词“相信、认为”。其后既可以直接接名词、代词作宾语，也可以跟
that等引导的宾语从句，还可以用believe sb to do sth的形式
Eg: I don’t believe you. I believe that he can win the match. I believe him to be an honest man.
当believe后跟宾语从句且主句为第一人称时，它的否定形式与think的用法相同，“否定在主句，翻译在从句”
Eg: I don’t believe he knows that place. 我认为他不知道那个地方。
儿童歌曲大全50首
儿童毛线衣5、Wu Ming went to Singapore / Hong Kong / Macao for his vacation.(P10)
go to ….for a / one’s vacation“去…度假”，for表示为了，vacation通常指一次性休假，英式
英语常用holiday.
Eg: He went to Beijing for his vacation. Her parents are on vacation in Hawaii.
go for a vacation“去度假”相当于take a vacation，说明度假还没有开始，在计划当中Eg: I am going for a vacation to Beijing.
go on vacation“在度假”说明度假正在进行
Eg: I am going on a vacation in Beijing.
6、I’m going to Chiang Mai in two weeks.(P10)
in two weeks“两周后”，结构为“in + 一段时间”，表示“在….之后”，常用语一般将来时，对
起提问用how soon
Eg: I will finish the work in two hours.
in以现在为起点，表示将来一段时间以后，常用语将来时态的句子中。
Eg: She will be back in three weeks.
after以过去为起点，表示过去一段时间以后，常用语过去时态的句子中，在某个特定的时
间以后，after也可用语将来时态的句子中。
Eg: He started on Sunday and arrived in Hong Kong after three days. I will arrive after four o’clock.
7、I wonder if it’s similar to the Water Festival of the Dai people in Yunnan Province.(P10)
1)I wonder if …是一个表示请求允许的交际用语，常用来询问对方是否允许自己做某事。
肯定回答用：Sure，go ahead. / Of course. / Sure. 否定回答用：I’m sorry, but…../ I’m afraid not. / You’d better not.
2)be similar to “与…相似”。similar adj.“相似的”无比较级。
Eg: A cat is similar to a tiger in many ways. Cats and tigers have similar features.
8、Chinese people have been celebrating Mid-Autumn Festival and enjoying mooncakes for centuries.(P11)
1)have been celebrating是现在完成进行时。结构为“have / has been + 动词的现在分词”。现在完成进行时表示动作在迄今为止的一段时间内曾经连续进行或目前仍在继续并有可能一
直继续下去，强调动作持续进行的状态。
Eg: He has been learning English for five years. I have been writing a book.
2)for centuries“数个世纪以来”相当于since centuries ago. for与表示一段时间的状语连用，
磨合期车速
表示“（做某事）多长时间了”，常用语现在完成（进行）时，表示过去某时开始，持续到现
在的动作或状态，for所在句子中的动词必须是延续性的动词。对“for + 时间段”提问用how long
Eg: I’ve been living in China for five years. I’ve known her for more than twenty years.
9、After Hou Yi shot down the nine suns, a goddess gave him magic medicine to thank him.(P11)
1)shoot v.投篮、射击。过去式和过去分词为shot。shoot down“射下，击落”。shoot指“击中、射死”强调射击的结果，shot at朝某人或某物射击，不强调是否射中，而强调射击的动
作。
Eg: He shot two goals in the game. He shot a wild duck. My father shot at a rabbit,but he didn’t shoot it.
西安游玩
2)give sb sth = give sth to sb “给某人某物”
Eg: We gave her some flowers for her birthday. = We gave some flowers to her for her birthday.
注：当直接宾语和间接宾语都是代词时，只能用give sth to sb结构。Eg: Please give it to me.
3)medicine un.“药”。常用短语：take / have the medicine
Eg: Take the medicine three times a day.
10、Whoever drank this could live forever, and Hou Yi planned to drink it with Chang’e.(P11)
1)whoever 代词“无论谁，不管谁”相当于no matter who,引导让步状语从句，

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