Unit3computersⅣ
_____timethecomputerhasbeenchangedquitealot
WithinC
BeyondD
Below【解析】选A
介词over在本句中表示时间或过程,意为“在……期间;在从事……的时候”,故符合语境
within在某个时间或空间范围内;beyond用于表示时间迟于,晚于;below低于,不及;少于
Bythe1940sthecomputerhadgrownaslargeasaroom,andpeoplewonderedifitwouldgrow____larger
quiteB
fairlyC
very【解析】选C
形容词和副词比较级通常可由much,far,even,still,any,no,alot,alittle等程度副词来修饰,而quite,fairly,very常用来修饰形容词或副词的原级形式,故本题正确答案为C
其他选项不符合要求
Sincethe1970smanynewapplications_____forthecomputer
arefoundB
havebeenfoundC
hadbeenfoundD
wasfound【解析】选B
考查动词时态用法
since表示“自从……”表示从过去到现在,主句谓语动词要用现在完成时态
Withmorenewapplicationsfoundinmanyfields,thecomputerisnowa_____friendandhelperofthehumanrace
devotedB
totalC
stubbornD
awkward【解析】选A
考查形容词用法
与后面的helperofthehumanrace相对应可知,前句说的是计算机现在是人类的忠实的朋友
devoted忠实的;忠诚的;tot