level 5
and连接并列的成分，和consider并列的
2008年07月31日 08点07分
level 0
level 0
and起了连接的作用。连接在于两部分格式相同。这句话两部分，前部分是动名词形式，自然后面也是啊。It's worth considering…………introducing…………两者对应
2008年07月31日 09点07分
5
level 11
2楼的回答是正确的，只是回答很笼统，这里用ing不是非谓语动词表示伴随！而是”平行结构”或者等立结构，introducing 代替considering 的位置！假如补全该句子应该是这样：it is worth considering what makes"convenience"foods so popular,and it is worth introducing better ones of your own. 请看２００５年春节上海高考试题The purpose of new technology is to make life easier, ________ it more difficult. A. not making B. not make C. not to make D. nor to make 答案是Ｃ，因为 not to make 替代 to make life easier的位置．翻译为”技术的目的是为了使生活更容易，而不是使它（生活）更艰难”
2008年07月31日 09点07分
6
level 11
我偷懒找点资料给你看看,您也可以参考一些稍微难点的语法著作 连词连接两个对等的词和对等的结构 并列连词and， but， as well as， or， or else， both … and， neither … nor， either … or， not only … but （also）， rather than等以及从属连词than可连接两个对等的词和对等的结构。 1.所连接的谓语形式必须一致 例1：He went downtown， bought some books and visited his daughter. 例2：Gunpowder was discovered in the twelfth century， but not used in warfare until two hundred years later. 2.所连接的词或短语形式必须一致 例1：Your semester grade is based not only on how well you do on each test， but also on how you participate in class. 例2：We often go to the countryside as well as to factories. 例3：I would much rather go to the countryside than stay here. 3.连接的非谓语动词的形式必须一致 例1：Some find swimming more enjoyable than sitting at home reading. 例2：He was engaged in writing a letter rather than reading the newspaper. 4.所连接的句子结构必须一致 例1：She is pleased with what you have given and all that you have told him. 例2：The purpose of the research had a more different meaning for them than it did for us. 二、某些特定的固定结构。 （1）有些词后要用平行结构。 例如： prefer sth to sth prefer doing sth to doing sth prefer to do sth rather than do sth 1） I prefer rice to noodles. 2）I prefer watching TV to listening to music. 3） He preferred to die rather than surrender. （2）有些结构中要用平行结构。 例如： would / had rather / sooner do something than do something， would / had as soon do something as do something （宁可……也不……） 1） Liu Hulan said she had rather die than give up. 2） I would as soon stay at home as go. 部分强调句 要强调句子的某一部分，可以把句子的结构改变一下，通常有两种表示强调的句式：It is / was … that …结构和What … is / was…结构。 一、It is / was … that … 结构 1.It is / was … that … 结构可以用来强调句子中几乎任何部分 例1：It was my mother that threw an egg at Mr. Li yesterday. 例2：It was Mr. Li that my mother threw an egg at yesterday. 2.被强调的部分指人时，可用who或whom 强调主语时，如果指的是人，可以不用that而用who来代替。强调宾语时，如果指点的是人，可用whom.例如： 1）It was the dean who walked by. 2）It was Mary whom the old lady missed most. 3被强调部分指物时，要用that 例如：It was an egg that my mother threw at Mr. Li yesterday. 4.被强调部分是状语时，也只能用that，不能用when或where. 例1：It is during his spare time that John has been studying a course in French. 例2：It was in the hall that the mayor held the press conference. 5.不能用It is / was … that 结构强调动词 强调动词常用do，过去式用did.例如： 1） They did study very hard yesterday. 2） He does look forward to making the acquaintance of her. What … is / was … 结构 二、What … is / was … 结构常用来强调主语或宾语，在这种结构中，is/ was后面是强调的部分。 例如： 1）What hurts is my left leg. 2）What I like is her style.
2008年07月31日 09点07分
7
level 5
level 0
