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【单选题】
关于嘌呤核苷酸从头合成的叙述,下列哪项是错误的?
A.
占体内合成嘌呤核苷酸总量的90%
B.
利用简单嘌呤碱的前身物质合成嘌呤核苷酸
C.
需经过复杂的酶促反应,会消耗大量原料和ATP
D.
氨基甲酰磷酸为嘌呤环提供甲酰基
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【简答题】Last year French drivers killed【56】 than 5,000 people on the roads for the first time in decades. Credit goes largely【57】 the 1,000 automated radar cameras planted on the nation's highways since 2003,...
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【单选题】According to the first paragraph, the index of DJIA
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rose above 9,000 for the first time in history.
B.
has increased 38% since October 2007.
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indicates the end of the harsh economic environment.
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is still 54% lower than the highest point in history.
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【简答题】Last year French drivers killed【C1】______than 5, 000 people on the roads for the first time in decades. Credit goes largely【C2】______the 1, 000 automated radar cameras planted on the nations highways ...
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【单选题】It is generally agreed that the first true cities appeared about 5,000 years ago in the food-producing communities of the Middle East. The cities of Sumeria, Egypt and the Indus Valley possessed a num...
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larger populations
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different social classes
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【单选题】05-3-1:古罗马的神庙继承了希腊的宗教和型制,以()为主,建在城中。 而下图的()主要采用了穹顶覆盖的集中式形制,是单一空间、集中式构图的建筑物的代表,是罗马穹顶技术的最高代表。
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矩形前廊式;罗马万神庙
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围廊式;圣索菲亚大教堂
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【单选题】古罗马的神庙继承了希腊的宗教和型制,以()为主,建在城中。 而下图的()主要采用了穹顶覆盖的集中式形制,是单一空间、集中式构图的建筑物的代表,是罗马穹顶技术的最高代表。
A.
矩形前廊式;罗马万神庙
B.
围廊式;圣索菲亚大教堂
C.
圆形;圣索菲亚大教堂
D.
圆形;罗马万神庙
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【单选题】'The second ＄100,000 never tastes as good as the first', because ______.
A.
it's not so fresh as the first ＄100,000
B.
it is not so important as the first ＄100,000
C.
profit brought by it is less than that from the first ＄100,000
D.
happiness brought by it is less than that from the first ＄100,000
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【简答题】Short Story Contest : Win $8,000 First Prize $5,000 in Cash Writers Creative Writing Correspondence Program offers non-professional authors an opportunity to have a novel, book of short stories, v...
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【简答题】Last year French drivers killed【1】than 5,000 people on the roads for the first time in decades. Credit goes largely【2】the 1,000 automated radar cameras planted on the nation's highways since 2003, whi...
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相关题目：
【简答题】Last year French drivers killed【56】 than 5,000 people on the roads for the first time in decades. Credit goes largely【57】 the 1,000 automated radar cameras planted on the nation's highways since 2003,...
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【单选题】According to the first paragraph, the index of DJIA
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rose above 9,000 for the first time in history.
B.
has increased 38% since October 2007.
C.
indicates the end of the harsh economic environment.
D.
is still 54% lower than the highest point in history.
查看完整题目与答案
【判断题】美国人不拘礼节的习性与他们的民主平等观念相关。
A.
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B.
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【简答题】Last year French drivers killed【C1】______than 5, 000 people on the roads for the first time in decades. Credit goes largely【C2】______the 1, 000 automated radar cameras planted on the nations highways ...
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【单选题】It is generally agreed that the first true cities appeared about 5,000 years ago in the food-producing communities of the Middle East. The cities of Sumeria, Egypt and the Indus Valley possessed a num...
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【单选题】05-3-1:古罗马的神庙继承了希腊的宗教和型制,以()为主,建在城中。 而下图的()主要采用了穹顶覆盖的集中式形制,是单一空间、集中式构图的建筑物的代表,是罗马穹顶技术的最高代表。
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矩形前廊式;罗马万神庙
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围廊式;圣索菲亚大教堂
C.
圆形;圣索菲亚大教堂
D.
圆形;罗马万神庙
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【单选题】古罗马的神庙继承了希腊的宗教和型制,以()为主,建在城中。 而下图的()主要采用了穹顶覆盖的集中式形制,是单一空间、集中式构图的建筑物的代表,是罗马穹顶技术的最高代表。
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矩形前廊式;罗马万神庙
B.
围廊式;圣索菲亚大教堂
C.
圆形;圣索菲亚大教堂
D.
圆形;罗马万神庙
查看完整题目与答案
【单选题】'The second ＄100,000 never tastes as good as the first', because ______.
A.
it's not so fresh as the first ＄100,000
B.
it is not so important as the first ＄100,000
C.
profit brought by it is less than that from the first ＄100,000
D.
happiness brought by it is less than that from the first ＄100,000
查看完整题目与答案
【简答题】Short Story Contest : Win $8,000 First Prize $5,000 in Cash Writers Creative Writing Correspondence Program offers non-professional authors an opportunity to have a novel, book of short stories, v...
查看完整题目与答案
【简答题】Last year French drivers killed【1】than 5,000 people on the roads for the first time in decades. Credit goes largely【2】the 1,000 automated radar cameras planted on the nation's highways since 2003, whi...
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