单选题:Tospeedupthe________ofletters,thePostOfficeintroducedautomat 题目分类:英语四级 题目类型:单选题 号外号外:注册会员即送体验阅读点! 题目内容: Tospeedupthe________ofletters,thePostOfficeintroducedautomaticsorting. A.treatment B.delivery C.transmission D.departure 参考答案: 答案解析:
为检查紫铜片止水焊接后是否渗漏,应采用( )进行检验。 为检查紫铜片止水焊接后是否渗漏,应采用( )进行检验。A.光照法 B.柴油渗透法 C.注水渗透法 D.吹气法 分类:英语四级 题型:单选题 查看答案
Questionsarebasedonthefollowingpassage. Incommunitiesnorthof Questionsarebasedonthefollowingpassage. IncommunitiesnorthofDenver,residentsarep 分类:英语四级 题型:单选题 查看答案
Philosophers believe that desire, hatred and envy are “negat Philosophers believe that desire, hatred and envy are “negative emotions” which( 分类:英语四级 题型:单选题 查看答案
The institution has a highly effective program which helps f The institution has a highly effective program which helps first-year students m 分类:英语四级 题型:单选题 查看答案
His arm was( )from the shark’s mouth and reattached, but th His arm was( )from the shark’s mouth and reattached, but the boy, who nearly di 分类:英语四级 题型:单选题 查看答案