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【单选题】
为了身体健康,应摄入( )。A.
蛋白质
B.
脂类
C.
糖类
D.
各种营养素
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举一反三
【单选题】听力原文：M: What should we do tonight? Watching TV or listening to music? W: There is a huge sale at the shopping mall in Baker Street. It was just opened yesterday. Q: What does the woman mean? (13)
A.
She wants to watch TV.
B.
She will listen to music.
C.
She will rest at home.
D.
She intends to do some shopping.
【简答题】将网络划分为局域网和广域网是按网络覆盖范围划分的。（ ）
【单选题】In this introduction we have diagnosed some of the causes of the illness and, in the following chapters, we will draw attention to its various unpleasant _____.
A.
brink
B.
method
C.
symptoms
D.
hug
【简答题】按网络的覆盖范围分类，以太网．(Ethernet)是一种【 】。
【简答题】网络按覆盖的范围可分为广域网、()、()。
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