Unit 9 My favorite subject is science.知识讲解

Unit 9 知识讲解 A
一．favorite
1. favorite adj. “最喜欢的，特别喜欢的”，也写作 favourite.
Sunday is our favorite day. We can go to the park.
2. favorite相当于 like...best。
Her favorite fruit is strawberries. = She _______ strawberries _______.
Their favorite day is Sunday. = They __________ Sunday _______ .
3. favorite n. “最喜欢的人或物”，其复数形式是favorites.
These books are my favorites. 这些书是我最喜欢的。
二．subject n．
1. 学科；科目____________________ 多少门学科do you learn at school
2. subject n. 主题The subject of the poem is friendship.这首诗的主题是友谊。
3. subject n. 主语
I don't know the subject of the sentence. 我不知道这个句子的主语。
三． why.
1. adv. “为什么”，询问原因，答语常用because来引导。
—Why is he crying(哭)？—Because he can't find his mother.
2. Why not＋ v．... =Why don’t/doesn’t sb.+ v.…？为什么不做……呢？（表提建议）
Why not go with me 为什么不和我一块去呢？=______________________________________.
why引导的特殊疑问句，有时相当于what...for句式。
Why does he come here？＝What does he come here for？
四． because
1. because引导的句子，常在复合句中作原因状语从句。
She likes math because it's interesting.
2. because conj. “因为”，后常接句子，回答why引导的特殊疑问句。because(因为)和so(所以) 不能同时用在句子中，二者只能选其一。
The book is very interesting, so we all like it. = Because the book is very interesting, we all like it.
3. because of “因为，由于”，是一个短语介词，后接名词或名词短语。
He can't go to school because of his leg. 由于他的腿他不能去上学。
五．1.一周有七天。在西方国家，人们一般把星期日作为一周的第一天，星期一为第二天，以此类推。星期六为一周的第七天，即最后一天。 Tuesday is the third day of a week.
2. 星期名词是专有名词，首字母都要大写。缩写形式：
Sunday→ Sun.，Monday→Mon.，Tuesday→Tue./Tues.，Wednesday→Wed./Weds.，Thursday→Thur./Thurs.，Friday→Fri.，Saturday→Sat.
3.提问星期时，常用句型：What day is it today
—What day is it today？今天是周几？—It's Sunday today.
4. 有时候星期名词后面加上“s”，通常指 “每个星期几”，用于一般现在时态中，表示经常性的动作或状态。
She helps me with my English on Sundays.
5. “在星期几”、“星期几的上午/下午/晚上”，要用介词on。当星期前面有this，that，last，next等词修饰时，通常不再用介词。
We have music on Monday afternoon. We have math this Tuesday. /this Monday.
六．fun 1. adj.， “有趣的，愉快的”(美)。如：You are great fun．你真有趣。
We have a fun holiday．我们假日过得很愉快。
2. fun n.(不可数)，译为“玩笑，娱乐，嬉戏”或“有趣，有趣的人或事(此时不加a)”。如：
Playing computer games is great fun．玩电子游戏很有趣。
七．How’s your day 是正式场合朋友见面时的问候用语，表示“今天过的如何？”
八．That’s for sure.
That’s for sure表示完全赞同他人的观点，表示“那是肯定的”、“确实是这样的”或 “完全没有问题”。
A: Mr. Wang’s English class is very interesting. B: That’s for sure. 的确如此。
十．．class 1.“班级”。如：Are you in Class One？
2.“课”。如：They have four classes in the afternoon．
(3)“同学们”。如：Good morning，class．同学们，早上好。
(4)“教室”。如：He sits in the middle of the class.