work on/work at辨析take side英语知识点
1、work on/work at
work on 与work at 可通用，表示“忙于……”。
但在work on sth. 中，sth是work的具体对象；
而在work at sth. 中，sth. 只说明所从事工作的性质，即时间、精力用在某一方面的事情上，而不在于说明正在做什么。如：
He is working on/ at a novel. 他正在专心写一部小说。
They have worked at this subject for many years. 他们从事这项课题的研究已经好多年了。
Bob worked hard on organizing other singers to sing for him for free.
鲍勃积极地组织其他歌唱家为他义务演唱。
work out 算出；解决
①Can you work out how much money it will need? 你能算出需多少钱吗？

②I’ve worked out the problem. 我已解决了这个问题。

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2、take sides（in） 袒护；站在……一边
①They took the side of their child. 他们袒护自己的孩子。
②She has taken sides in the quarrel. 她参与了争吵。
3、worth/worthy
两者均是形容词，意思是“值得……的”，用法如下：
（1）worthy可以作定语，worth不能。例如：a worthy rival 值得较量的对手
（2）worth后面直接跟名词（多为表示钱或代价的名词），其作用相当于介词；worthy后面接名词时须与of连用（一般不接表示钱的名词）。例如：
This second-hand book is worth 100 dollars. 这本旧书值100美元。
His deed is worthy of praise. 他的事迹值得赞扬。
（3）worth后面可直接跟动名词的主动结构；worthy后接动名词的被动结构，且须与of连用，worthy后也可接不定式的被动式。例如：
This book is worth reading.或：This book is worthy of being read.
或：This book is worthy to be read. 这本书值得一读。
The city is worth visiting.或：The city is worthy to be visited.
或：The city is worthy of being visited.
（4）表示“很值得”，通常用well修饰，而不用very。例如：
The film is well worth seeing. 这部电影很值得一看。

题一： It is reporte d that two schools, both of ____are being built in my hometown, will open next year.
A. that                    B. which                  C. them          D. those
题二： —How much do you have in your pocket?
—150 yuan, all of ____ came from my grandma.
A. which B. them C. it D. that
题三： Jack, ____ everyone can see, is an honest child.
A. which            B. that              C. that      D. as
题四： The size of the audience, ____ we had expected, was well over 20,000.
A. as          B. where          C. which        D. why
题五： Mary was much kinder to Jack than she was to the others, ______, of course, make all the others upset.
A. who B. which C. what    D. the
答案
题一： B 
详解：both of ____are being built in my hometown是定语从句，其先行词schools作介词of的宾语，所以应选指物的关系代词作宾语，又因为介词在关系代词之前，所以选which。
题二： A
详解：all of____ came from my grandma是定语从句，其先行词150 yuan作介词of的宾语，所以应选指物的关系代词作宾语，又因为介词在关系代词之前，所以选which。
题三： D
详解：____ everyone can see是非限制性定语从句，所以可排除B、C；所填词在从句中作宾语，指代整个主句，而且从句位于主句中间，所以选as。
题四： A
详解：____ everyone can see是定语从句。所填词在从句中作宾语，指代整个主句，而且从句位于主句中间，所以选as。
题五： B
详解：_________, of course, ma ke all the others upset为定语从句。所填词在从句中作主语，指代整个主句，所以选which。

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