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天竺葵是园艺经典品种，其绿色圆形叶片外边镶有(见图一)。图二为天竺葵的光合作用过程示意图，Ⅰ、Ⅱ分别表示反应的两个阶段。请分析回答下列问题： (1)图二中a表示的物质是__________，Ⅱ表示光合作用过程中的__________阶段。 (2)C参与Ⅱ阶段的反应时，首先与__________结合形成两个三碳分子，最后形成d。 (3)光合作用过程中能量转化的途径为：光能→_______中活跃的化学能→________(请用图中的字母、文字回答)。 (4)若将天竺葵置于一密闭的环境中并浇以H 2 18 O，足够长时间后，能检测到含有 18 O的物质有___(请用图中的字母回答)。 (5)利用天竺葵叶片颜色的特点，请你提出一个与光合作用有关的研究课题__________。
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【单选题】Congress vs ParliamentThe difference between congress and parliament exist in the way they function. Congress and parliament are terms that have come to represent two major forms of democracies in dif...
A.
Members in a congress enjoy more freedom than in the parliament
B.
Congress has two parts as Senate and House of commons.
C.
Executive is more powerful in congress.
D.
Congress comes from a Latin word meaning “to come together”.
【判断题】Democracy is a form of government that prohibits opposing political parties. 民主是一种禁止对立政党的政府形式。
A.
正确
B.
错误
【单选题】患者,男,79岁。因咳嗽、痰中带血,需留痰标本查找癌细胞,固定痰标本的溶液是
A.
0.2%苯扎溴铵
B.
5%苯酚
C.
10%甲醛
D.
3%甲酚皂溶液
E.
0.2%含氯石灰
【单选题】Democracy is so much a part of our national identity that it almost seems a birthright. But the irony is that, even as we hope to spread democracy elsewhere, we risk preaching the virtues of a form. o...
A.
quote what somebody has said
B.
emphasize the threats
C.
achieve sarcasm
D.
create a sense of humor
【单选题】患者,男,79岁。因咳嗽、痰中带血,需留痰标本查找癌细胞,固定痰标本的溶液是
A.
3%甲酚皂溶液
B.
5%笨酚
C.
10%甲醛
D.
0.2%含氯石灰
E.
0.2%苯扎溴铵
【判断题】Democracy is a form of government that prohibits opposing political parties.
A.
正确
B.
错误
【简答题】An illustrator is a person who makes pictures in a book or magazine. Chinese meaning : ___________________________ 2. She was aggrieved , or wronged, by the unfair review. Chinese meaning : __________...
【简答题】Democracy is a form of government in which the
people effectively participate. 划线词的意思 democracy:
__________________________________________________________
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