28.A computer can store ______ information because it has a

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28.A computer can store ______ information because it has a very large memory.
A) a great many B) a vast amount of
C)a large number of D) a number of
29.Lao Wang is a selfless man,so under no circumstances ______ anything that will benefit himself and hard the interests of others.
A does he do B) did he do
C) he does do D) he does
30.No one doubts ______ he is the best leader in the company.
A)whether B) what
C) if D) that
ADC 我写的是BAD 为什么 28information是不可数要用many形容 29为什么不倒装 30no doubts 什么时候是加if 什么时候that
或者帮我看看答案是不是错的

28.B
此题所给答案A绝对错误.
information只是不可数名词,而a great/good many,a (large) number of都是修饰可数名词的.
29.A
否定词或含义否定词的短语如果提前到句首,则该句一般都要采用部分倒装结构.
从句意可以明显看出是一般现在时,所以选A.
30.D
doubt所加的宾语从句,如果主句是肯定句,则从句引导词用if/whether；但是如果主句是否定句/疑问句,则用that来引导宾语从句.

28.A computer can store ______ information because it has a we can store ___useful information in a computer. we can store a lot of information in the computer改为同义句 The computer can store large ( ) of information. Information comes from a computer as ______. H d can store more information than a floppy disk The computer can store plenty of useful information,对 plenty It is_____ of computer science A.a information It has been proven that information technology can give a fi 英语翻译Mary has a _____ ______ because she can do what she love you can write it (use)a computer We should buy our daughter a computer in ______ it can help