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【单选题】
1869 年,俄国化学家制作出了第一张元素周期表,揭示了化学元素间的内在联系,成为化学史上的重要里程碑之一。下列有关元素周期表的说法正确的是 ( )
A.
元素周期表有 18 个族
B.
元素周期表含元素最多的族是第 ⅢB 族
C.
第 ⅠA 族的元素全部是金属元素
D.
第五、六周期包含元素种类数目相同
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【单选题】以下不是python语言中常见数据类型的是( )
A.
整型
B.
列表
C.
浮点型
D.
实数
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【简答题】Passage One At the base of a mountain in tanzania's Gregory Rift, Lake Natron burnsbright red, surrounded the remains of animals that were unfortunate enough tofall into the salty water. Bats, swallow...
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【单选题】回答题 Fishing adds only about one percent to the global economy, but on a regional basis it can con-tribute extremely to human survival．Marine fisheries contribute more to the world&39; s supply of pro-...
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beef
B.
fish
C.
pork
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chicken
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【单选题】Read the following introductory paragraph and decide the method it used. Ten years from now, people will be surprised that there ever was a vigorous debate about public school choice. It will be an ac...
A.
Strike contrast with the thesis statement
B.
Present an important or famous people ’ s saying
C.
Present figures or statistics
D.
Present relevant background information
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【判断题】In the U.S., if a middleman is terminated, the company is required to pay one percent of the middleman ’ s average annual compensation, multiplied by the number of years the middleman served, as a fin...
A.
正确
B.
错误
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【多选题】中国居民平衡膳食餐盘可以分为几部分。( )
A.
谷薯类
B.
动物性食品
C.
蔬菜类
D.
水果类
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【单选题】中国居民平衡膳食餐盘分为( )部分
A.
二
B.
四
C.
三
D.
五
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【简答题】(2019 原创 )China ’ s new-generation( 新一代 ) high-speed train, the Fuxing, is now one of the fastest trains in the world. It has changed the way we 1 . Now, there are thousands of high-speed trains runni...
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【单选题】It can be inferred from Paragraph 2 that
A.
two percent of the families in the U.S. must pay estate tax.
B.
there is no need for one to pay asset tax if he owns more than $3.5 million in 2009.
C.
one has to pay asset tax no matter how much money he owns in 2010.
D.
one probably has to pay asset tax if he owns more than $ 1 million in 2011.
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【单选题】以下不属于 Python 语言中常见的数据类型的是()
A.
整型
B.
列表
C.
实数
D.
浮点型
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【单选题】以下不是python语言中常见数据类型的是( )
A.
整型
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C.
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【简答题】Passage One At the base of a mountain in tanzania's Gregory Rift, Lake Natron burnsbright red, surrounded the remains of animals that were unfortunate enough tofall into the salty water. Bats, swallow...
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【单选题】回答题 Fishing adds only about one percent to the global economy, but on a regional basis it can con-tribute extremely to human survival．Marine fisheries contribute more to the world&39; s supply of pro-...
A.
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B.
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【单选题】Read the following introductory paragraph and decide the method it used. Ten years from now, people will be surprised that there ever was a vigorous debate about public school choice. It will be an ac...
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【判断题】In the U.S., if a middleman is terminated, the company is required to pay one percent of the middleman ’ s average annual compensation, multiplied by the number of years the middleman served, as a fin...
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B.
错误
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【多选题】中国居民平衡膳食餐盘可以分为几部分。( )
A.
谷薯类
B.
动物性食品
C.
蔬菜类
D.
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查看完整题目与答案
【单选题】中国居民平衡膳食餐盘分为( )部分
A.
二
B.
四
C.
三
D.
五
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【简答题】(2019 原创 )China ’ s new-generation( 新一代 ) high-speed train, the Fuxing, is now one of the fastest trains in the world. It has changed the way we 1 . Now, there are thousands of high-speed trains runni...
查看完整题目与答案
【单选题】It can be inferred from Paragraph 2 that
A.
two percent of the families in the U.S. must pay estate tax.
B.
there is no need for one to pay asset tax if he owns more than $3.5 million in 2009.
C.
one has to pay asset tax no matter how much money he owns in 2010.
D.
one probably has to pay asset tax if he owns more than $ 1 million in 2011.
查看完整题目与答案
【单选题】以下不属于 Python 语言中常见的数据类型的是()
A.
整型
B.
列表
C.
实数
D.
浮点型
查看完整题目与答案
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