78.Itiswellknownapersoneatscauseschangesinthebody.A.thatwhat,when,andhowB.thatC.whatD.how80.Jackwassoontoldhedidwasnotnecessary.A.whyB.thatC.howD.whywhat为什么78中a,不对是不是whatthat指代名

Question

78.It is well known _________ a person eats causes changes in the body.
A.that what,when,and how B.that
C.what D.how
80.Jack was soon told ________ he did was not necessary.
A.why B.that C.how D.why what
为什么78中a,不对是不是what that指代名词的东西不能在一起用?
可为什么80又可以

Answer 1

78的话我觉得是A啊.
这里主要考一个形式主语和一个主语从句（{That_________ a person eats
causes changes in the body}is well known）大括号括起来的是整句的主语,而这个主语中_________ a
person eats,eat要有宾语,而_________必须充当eat的宾语,所以我觉得选A,不应该是how a person
eats,因为这样的从句成分就不完整了,eat后面没宾语,若是how a person eats sth.就对了
80.是一个宾语从
句套主语从句,所以要填的一定是两个连接词,只有D可能,why引导的从句是told的宾语,________ he
did做这个宾语的主语（因为宾语是个句子）,在这个主语部分,________必定在从句中充当did的宾语,否则从句的成分不完整,所以用what.
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