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(8分)目前中国是世界番薯种植第一大国,番薯是我国未来粮食安全的重要保障之一;随着 生活水平的提高,番薯也成为平衡膳食结构,促进人们健康长寿的营养食物。 资料一 番薯在明朝中期从美洲引入我国,并在全国各地广泛种植。番薯耐旱抗涝,亩产 可达三千公斤以上,是我国明清以来人口高速增长的重要因素之一。 资料二 著名科学家隆平长期致力于杂交水稻攻关项目,2004年实现了亩产800公斤,2011年实现了亩产900公斤,计划在2020年实现亩产1000公斤。 资料三国家粮食局局长称,我国每年浪费的粮食达到600亿公斤以上,足可以养活两亿人口。 结合上述资料,说明提高我国环境承载力的主要途径。(8分)
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【单选题】-- You've been abroad for so long. We haven't seen each other ever since you left. How are you these days? _____How about Helen and Henry?
A.
How are you?
B.
Fine. Thank you.
C.
How do you
D.
How do you do?
【简答题】When Albert Einstein was young, he was a quiet child who spent much of his time alone. He was slow to talk and had difficulty in learning to read. When Albert was five years old, his father gave him a...
【单选题】Albert Einstein was a man of great .
A.
actor
B.
traveller
C.
performer
D.
intellect
【单选题】餐饮部工作人员在清洗设备时应注意安全。如清洁锐利的刀片时要格外谨慎,洗擦时要将抹布折叠到一定厚度,擦拭的方向是( )。
A.
由里向外
B.
由外向里
C.
由上向下
D.
环形擦拭
【单选题】一般来说,中餐厅较多采用
A.
一班制
B.
二班制
C.
三班制
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间隔班
【单选题】Albert Einstein was born when?
A.
March 14, 1879
B.
March 14,1889
C.
May 14,1879
D.
May 14,1889
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【单选题】Albert Einstein was a man of great .
A.
intellect
B.
clever
C.
brain
D.
mental
【简答题】It is well known that Albert Einstein was one of the greatest scientists of all time, but I think he was also a really great person. I’ve done some research on him and 1. _______ something interesting...
【简答题】阅读理解。 Albert Einstein was born in Germany in 1879. In his early childhood he was slow to learn to talk and didn't seem to be very bright. But by the time he was four years old, he had taught himse...
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