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【单选题】
Milk has become a popular drink for modern Chinese, not only is its nutritional(营养的)value appreciated, it seems even to have taken the role making the whole nation strong .Milk industry has only about 180 years of history among the Han people .For a long time ,milk was considered a luxury(奢侈的)drink by common people. A widespread saying in the country was that Japan used a cup of milk to strengthen the constitution(体格)of its people. That sounds reasonable because the rich “Ca” in milk definitely benefits the constitution. The average annual consumption per capita in Japan has risen from less than 10kilograms immediately after World War Ⅱto 68 kilograms today. The average height of Japanese has increased by 11 centimeters during this period. The Chinese Government also hopes to improve the constitution of local people, and since milk is the most obvious nutrition food, it has naturally been picked up. But due to tradition, Chinese people are not in the habit of drinking milk regularly ,The annual output of milk in the country is about 10million tons, compared with an output of alcohol reaching 8million tons The annual milk consumption per capita is about 7 kilograms in China while the world′s average is about 100kilograms.The government has noticed the huge gap and plans to raise consumption to 10kilograms per capita by 2005 and 16 kilograms by 2010.The government has also started plans for “school milk”since the beginning of this century.Chinese government encourage people to drink milk and hope that__________.
A.
the whole nation will become stronger
B.
the milk industry will have a faster development
C.
milk will no longer be considered a luxury drink
D.
its nutritional value will be more appreciated
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【单选题】氧化还原反应在生产、生活中具有广泛的用途。下列做法中涉及到铝元素的还原性的是(  )
A.
明矾净化水
B.
用氢氧化铝治疗胃酸过多
C.
用铝制容器存放浓硫酸
D.
电解熔融氧化铝制单质铝
【单选题】氧化还原反应在生产、生活中具有广泛的用途.下列事实中不涉及氧化还原反应的是(  )
A.
金属锈蚀
B.
燃放烟花
C.
食物腐败
D.
钟乳石的形成
【单选题】How long did Michael stay in China?
A.
Five days.
B.
One week.
C.
Two weeks.
【多选题】RSTP相对于STP,定义了2种新增加的端口角色,它们是哪两种?
A.
指定端口
B.
根端口
C.
替代端口
D.
阻塞端口
E.
备份端口
【判断题】急性鼻炎若无并发症,病程一般7~10天。
A.
正确
B.
错误
【多选题】window对文件进行选择时候,通常有几种选择方式。回答以下的选中文件的方式的按住哪个快捷可以实现。 ”文件全选“按住哪个键快捷方式是: ”文件首尾连续“选按住哪个键快捷: ”文件任意跳选“按住哪个键选择文件: 下列哪些是对的说法请选出来。
A.
全选ctrl+a,
B.
任意跳选加alt
C.
任意跳选加ctrl
D.
首尾选头尾和中间所有加ctrl,
【单选题】How did Californian Michael Schwabe feel about driving an electric car?
A.
Too expensive.
B.
Hard to drive.
C.
Easy to control.
D.
More than just a charge.
【单选题】氧化还原反应在生产、生活中具有广泛的用途。下列生产、生活中的事例不属于氧化还原反应的是
A.
金属冶炼
B.
燃放鞭炮
C.
食物腐败
D.
点制豆腐
【单选题】—Michael has changed beyond recognition. —_______! How did he manage to lose so much weight? [     ]
A.
So has he
B.
Neither has he
C.
So he has
D.
Neither he has
【简答题】氧化还原反应是一类重要的反应。回答下列问题: (1)氧化还原反应在工农业生产、日常生活中都有 广泛的用途。如人和动物通过呼吸作用提供能量,以维持生命活动。已知人和动物呼吸作用的反应为:C 6 H 12 O 6 +6O 2 +6H 2 O→6CO 2 +12H 2 O。在该反应中,作为还原剂的物质是____。 (2)有些氧化还原反应却是有危害的,例如,钢铁的腐蚀、食物的腐败等。因此,要想方设法阻止此...
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