单选题The first paragraph shows that ______ .AThe new poll about computers and the Internet is helpfulBPeople should explore the dangers of computerizationCPeople cannot do without computers and the InternetDComputerization has its advantages and disadvantages
单选题
The first paragraph shows that ______ .
A
The new poll about computers and the Internet is helpful
B
People should explore the dangers of computerization
C
People cannot do without computers and the Internet
D
Computerization has its advantages and disadvantages
参考解析
解析：
推理判断题。本题询问第一段表明什么。根据文章第一段的第一句和第二句话分别表明，电脑使美国人的生活变得更加美好，但是电脑化趋势也存在一些危险，由此可知电脑化既有其优点也有其缺点，故D项正确。第一段中虽然提到电脑化的危险，但并没有强调人们发掘电脑化趋势危险的必要性，故选项B不符合文意。A项与文章中心无关，C项过于绝对，都应排除。
推理判断题。本题询问第一段表明什么。根据文章第一段的第一句和第二句话分别表明，电脑使美国人的生活变得更加美好，但是电脑化趋势也存在一些危险，由此可知电脑化既有其优点也有其缺点，故D项正确。第一段中虽然提到电脑化的危险，但并没有强调人们发掘电脑化趋势危险的必要性，故选项B不符合文意。A项与文章中心无关，C项过于绝对，都应排除。
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