.______ different life today is ______ what it was 30 years ago.A.How; from B.What a; from C.What; from D.How; with 8.You will find what great benefit the computer you own can be______ each time you use it to help you work.A.for B.of C.at D.on 为何

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.______ different life today is ______ what it was 30 years ago.A.How; from B.What a; from C.What; from D.How; with 8.You will find what great benefit the computer you own can be______ each time you use it to help you work.A.for B.of C.at D.on 为何

.______ different life today is ______ what it was 30 years ago.A.How; from B.What a; from C.What; from D.How; with 8.You will find what great benefit the computer you own can be______ each time you use it to help you work.A.for B.of C.at D.on 为何
.______ different life today is ______ what it was 30 years ago.
A.How; from
B.What a; from
C.What; from
D.How; with
8.You will find what great benefit the computer you own can be______ each time you use it to help you work.
A.for
B.of
C.at
D.on
为何选AB?

.______ different life today is ______ what it was 30 years ago.A.How; from B.What a; from C.What; from D.How; with 8.You will find what great benefit the computer you own can be______ each time you use it to help you work.A.for B.of C.at D.on 为何
1.首先,固定搭配be different from,所以先排除D,然后因为前半句去掉主语life today(today修饰life)different是形容词,对形容词提问用how,排除BC.
翻译为,现在的生活和三十年前相比是多么不同.
2.固定搭配be of great benefit意为拥有巨大的好处,例如be of great value,意为有很大价值.
解释不好还请多多原谅,毕竟我才初三.

都是感叹句
第一个,修饰"different",所以用how,from 与diferent是固定短语
第二个，be of 也是固定用法，“be of great benefit”

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