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【单选题】
计算机中的数有浮点和定点两种表示方法，浮点表示的数，通常由两部分组成，即( )。
A.
指数和基数
B.
尾数和小数
C.
阶码和尾数
D.
整数和小数
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【单选题】- ___is the meat. Please? -Ten yuan a kilo. A How much B How many C How old D How long
A.
How much
B.
How many
C.
How old
D.
How long
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【简答题】化学与人体健康密切相关，若人体血液缺铁，人就会“贫血”；人体缺钙，会患佝偻病；缺碘会引起甲状腺肿大；缺氟易产生龋齿；缺锌会引起食欲不振等． （1）市场上有“朴血（补血）口服液”、“高钙牛奶”、“加碘食盐”、“加氟牙膏”、“葡萄糖酸锌”等商品，则其中的铁、钙、碘、氟、锌应理解为（填编号）______．①元素  ②原子   ③分子   ④氧化物 （2）市售麦片含有微量极细的还原铁粉，饮用这种麦片后，铁...
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【简答题】听对话,回答问题 1. What does the woman want to buy? A. Meat B. Fish C. Meat and fish 2. How much meat does he want? A. Six kilos. B. Half a kilo. C. One kilo. 3. What's the price for one kilo of meat? A. Six...
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【单选题】一个3列的表格,表格边框宽度是2像素,单元格间距是5像素,单元格边距是3像素,单元格宽度是30像素,那么该表格的宽度是( )像素
A.
138
B.
148
C.
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D.
162
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【简答题】阅读理解。 A man went to buy a piece of meat. As he didn't know how to cook meat, he asked the butcher () to tell him the way of cooking it. The butcher told him how to cook it, 'But I can't remember you...
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【简答题】A man went to buy a piece of meat. As he didn’t know how to cook meat, he asked the butcher  () to tell him the way of cooking it. The butcher told him how to cook it, “But I can’t remember your wor...
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【单选题】how much meat are produced every year ?
A.
19 million pounds
B.
90 billion pounds
C.
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D.
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【单选题】元素对人体健康有重要作用．下列说法错误的（　　）
A.
人体缺铁易患贫血
B.
人体缺碘易患甲状腺肿大
C.
人体缺钙易患骨质疏松症
D.
碳、氢、氧都属于微量元素
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【单选题】How to ensure meat safety?
A.
By taking food safety models as examples.
B.
By setting up a monitoring network.
C.
By reducing meat products.
D.
By examing the local restaurants.
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【简答题】本题中使用表格标签实现了一个学生选课信息表,表格的HTML代码如下,请根据该代码,回答以下问题。 宋体 size=5>选课信息 姓名 张明 照片 性别 女 年级 2017 专业 计算机应用技术 (1)本题中定义的表格,是一个__ 1 ____行的表格。 (2)表格外边框的宽度是__2____。 (3)第2行第2列单元格的内容是___3___。
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【单选题】- ___is the meat. Please? -Ten yuan a kilo. A How much B How many C How old D How long
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B.
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【简答题】化学与人体健康密切相关，若人体血液缺铁，人就会“贫血”；人体缺钙，会患佝偻病；缺碘会引起甲状腺肿大；缺氟易产生龋齿；缺锌会引起食欲不振等． （1）市场上有“朴血（补血）口服液”、“高钙牛奶”、“加碘食盐”、“加氟牙膏”、“葡萄糖酸锌”等商品，则其中的铁、钙、碘、氟、锌应理解为（填编号）______．①元素  ②原子   ③分子   ④氧化物 （2）市售麦片含有微量极细的还原铁粉，饮用这种麦片后，铁...
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【单选题】一个3列的表格,表格边框宽度是2像素,单元格间距是5像素,单元格边距是3像素,单元格宽度是30像素,那么该表格的宽度是( )像素
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C.
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【简答题】阅读理解。 A man went to buy a piece of meat. As he didn't know how to cook meat, he asked the butcher () to tell him the way of cooking it. The butcher told him how to cook it, 'But I can't remember you...
查看完整题目与答案
【简答题】A man went to buy a piece of meat. As he didn’t know how to cook meat, he asked the butcher  () to tell him the way of cooking it. The butcher told him how to cook it, “But I can’t remember your wor...
查看完整题目与答案
【单选题】how much meat are produced every year ?
A.
19 million pounds
B.
90 billion pounds
C.
18 billion pounds
D.
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查看完整题目与答案
【单选题】元素对人体健康有重要作用．下列说法错误的（　　）
A.
人体缺铁易患贫血
B.
人体缺碘易患甲状腺肿大
C.
人体缺钙易患骨质疏松症
D.
碳、氢、氧都属于微量元素
查看完整题目与答案
【单选题】How to ensure meat safety?
A.
By taking food safety models as examples.
B.
By setting up a monitoring network.
C.
By reducing meat products.
D.
By examing the local restaurants.
查看完整题目与答案
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