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请英语语法专家回答啊,蛮难的

来源:学生作业帮 编辑:作业帮 分类:英语作业 时间:2024/05/18 06:25:19
请英语语法专家回答啊,蛮难的
1.It is well konwn ______a person eats causes changes in the body
A.that what B.that C.what D.how
2You will easily know______video recorders are the same
A.what those B.that of those C.that all of Dwhich of those
3.we give him _________help we could
a.what .b.that c.which d.this
答案给的是CDA
1.It is well known ______a person eats causes changes in the body [一个人所吃的东西会在身体内发生改变,这是众所周知的.]
[选C,what这里表示“ 所……的”,做eat的宾语,相当于“all that”,所以A项语义重复,你把它改写一下就看清楚了:"that all that",很明显的错误,对不对?"what a person eats"表示“一个人所吃的(东西)”]
A.that what B.that C.what D.how
2You will easily know______video recorders are the same
[选D,本题可通过排除法来做.首先,what those在这里解释不通,可先排除,其次,that of those表示“那些……中的那个”,是单数的,很显然跟后面的are不符,排除.再次,that all of 这个选项也有问题,因为,all of后面接的复数名词必须是特指的,即要复数名词前要加“the”,所以要改为“that all of the”才对.最后只剩下D可选了,因为which of those video recorders 表示“那些录影机中的哪一些”与后面的“are”相符.]
A.what those B.that of those C.that all of Dwhich of those
3.we give him _________help we could
[选a,what,根据题意,该句要表达的意思是“我们给了他我们所能给的帮助”,刚才我第一题也讲到了what的用法:表示“所……的”,在句中修饰help,做定语.而其它选项都有明显的错误.that引导宾语从句,句中缺主语,which表示“哪个,哪些”,与题意不符,而this表示“这个”,从语义上看很显然是错的.]
a.what .b.that c.which d.this
---以上是我的理解,