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【简答题】
GSM系统中，GSM900的频率范围是上行（）MHZ，下行（）MHZ，共有（）个频点.
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反馈参考答案：
举一反三
【简答题】接触器由哪几部分组成?其主要作用是什么?
【单选题】在填制会计凭证时,9080.05的大写金额数字为( )
A.
人民币玖仟零捌拾元零伍分
B.
人民币玖仟捌拾元零五分
C.
人民币玖仟零捌拾元零伍分整
D.
人民币玖仟捌拾元零伍分整
【单选题】Although the novel isn't popular among adults, it ______ the youth, especially boys. [ ]
A.
refers to
B.
appeals to
C.
results in
D.
deals with
【简答题】Average income was considerably higher among the gifted people, especially the men, than for the country as a whole, despite their comparative youth when last surveyed.
【单选题】The solidarity among the young, especially the 386 Generation, is so strong that it's helping to ______ the country's deep-rooted regional divide.
A.
enhance
B.
dissolve
C.
weaken
D.
move
【单选题】The ______ of lung cancer is particularly high among long-term heavy smokers, especially chain smokers.
A.
incident
B.
accident
C.
incidence
D.
evidence
【简答题】母乳中的蛋白质主要是____,牛奶中的蛋白质主要是____,母乳中的蛋白质含量比牛乳____。
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