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【多选题】
以下属于餐饮管理特点的是A.
产销即时性，收入弹性大
B.
业务内容杂，管理难度高
C.
影响因素多，质量波动大
D.
品牌忠诚低，专利保护难
拍照语音搜题，微信中搜索"皮皮学"使用
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知识点：
皮皮学刷刷变学霸
举一反三
【简答题】x 2 (y'+y 2 )=2．
【简答题】Americans eat ________ as they actually need every day. A) twice as much protein B) twice protein as much twice C) twice protein as much D) protein as twice much
【简答题】How many quarts of ice cream have been eaten by Americans in one year? The Americans eat more than______quarts of ice cream in a year.
【单选题】听力原文：Why do Americans eat daytime meals in a hurry? (12)
A.
They want to eat dinner slowly.
B.
They don't like eating at a restaurant.
C.
They are very busy.
D.
They don't like to eat.
【单选题】What do experts say about American diet?
A.
Americans eat too many vegetables.
B.
Americans should eat more beef.
C.
Fatty beef is good for us.
D.
Americans eat too much beef.
【简答题】An important factor that has affected what Americans eat is increased consciousness about their ______.
【简答题】One reason Americans eat so many calories is that we tend to eat large portions(分量). Studies find that hamburgers and fries are generally offered in serving sizes two to five times larger than the app...
【单选题】Americans eat ______ vegetables per person today as they did in 1910.
A.
more than twice
B.
as twice as many
C.
twice as many as
D.
more than twice as many
【单选题】― It is reported that Americans eat too much protein each day. ―They eat ______as they actually need.
A.
as twice much
B.
much as twice
C.
as much twice
D.
twice as much
【单选题】touch -m ex2 所实现的功能是 。
A.
仅改变文件ex2的修改时间
B.
仅改变文件ex2的保存时间
C.
仅改变文件ex2的创建时间
D.
仅改变文件ex2的根用户修改时间
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