皮皮学，免费搜题
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【多选题】
现今主流的智能手机操作系统主要有()A.
Android
B.
Office
C.
iOS
D.
WindowPhone
拍照语音搜题，微信中搜索"皮皮学"使用
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参考解析：
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皮皮学刷刷变学霸
举一反三
【简答题】嵌入式系统开发采用的交叉开发环境是由 和 组成的。
【单选题】根据我国《招标投标法》的规定，评标委员会由招标人的代表和有关专家共5人以上单数组成，其中技术、经济等方面专家不得少于成员总数的（ ）
A.
1/3
B.
2/3
C.
1/2
D.
3/4
【简答题】玻尔的氢原子理论是什么?
【单选题】听力原文：M: Mrs. Winter, I need your advice: I want to buy a dress for my wife. Can you tell me where I can get one at a reasonable price? W: Sure. Go to Richard's. It has the latest styles and gives a 30...
A.
It is run by Mrs. Winter's husband.
B.
It hires Mrs. Winter as an adviser.
C.
It gives a 30% discount to all customers.
D.
It encourages husbands to shop on their own.
【单选题】听力原文：M: Mrs. Winter, I need your advice, I want to buy a dress for my wife, can you tell me where I can get one at a reasonable price? W: Sure, go to Richard's. It has the latest styles and gives a 30...
A.
It gives a 30% discount to all customers.
B.
It is run by Mrs. Winter's husband.
C.
It hires Mrs. Winter as an adviser.
D.
It encourages husbands to shop on their own.
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