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求英语习题讲解1.)To avoid the various foolish opinions __ mankind i

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求英语习题讲解
1.)To avoid the various foolish opinions __ mankind is prone,no superhuman genius is required.A.with which B.of which C.to which D.from which 为什么要用介词 to?能帮我翻译一下这个句子吗?
2.) Can you name a few more electrical appliances __ electricity is used to produce heat?A.where B.which C.when D.as 为什么选A而不能用B呢?
3)All his leads to a populations in the twenty-first century that is smaller __ years ago.A.than was B.that was C.than that D.it was 答案为A为什么不能选C?
4.)I have two brothers,both __ are doctors.A.of which B.of them C.who D.of whom答案为D,为什么不能用B呢?我觉得B也合适啊
5.)Such ways of producing static electricity __ will be described later in this chapter are widely used in physics laboratory.A.as B.which C.what D.that 为什么?
6.)Calin married my sisiter and I married his brother,__ makes Colin and me double in-laws.A.what B.which C.that D.it 我觉得后半句缺少一个主语,应该为主语从句,选A,但为什么选B呢?A错在哪里了?
1.有个短语是be prone to,意思是倾向于,这里把to前置,to which引导定语从句修饰先行词opinions.整句话是为了避免各种各样人们倾向的弱智问题...
2.where是个关系副词,在后面的定语从句中做状语
which在定语从句中做名词性·成分,如主语,宾语等.
本句后面electricity is used to produce heat不缺名词性成分,所以用where在定语从句中做地点状语.
3.你原题的that没看懂是啥意思..
A选项改成than that was 就对了.这里than表示比较级,that代指前面的All his leads ,was是系动词.选C的话少系动词啊,你不能说that small,应该是that is small
4英语中规定,一个句子不能有两个谓语,必须加上连词(如and)或使其中一个句子变成从句.
原句如果选B,就有两个谓语动词(have和are),所以要是后面的句子变成定语从句,因为先行词是人(brothers),所以用whom不用which
5因为前面有such,如果先行词被such或the same修饰,则定语从句which或that一律换成as
6 非限制性定语从句必须用which,which代前面的整句话.
what做连词必须同时做两种成分,这里只缺后面的主语这一种成分.再说逗号后面最好不用what.