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【简答题】
下图表示绿色植物的光合作用和细胞呼吸之间的密切关系。请据图回答问题： (1)过程①发生的能量变化是____________。农业生产上使用的薄膜如果是绿色的，则不利于提高大棚蔬菜的产量，原因是____________。 (2)过程②、④、⑤发生的场所分别是___________，过程②除了图中的条件外，还需要的条件是_____________。 (3)下面的坐标表示两种植物在适宜温度下，光照强度对它们光合作用的影响曲线。 ①．甲、种植物的呼吸速率是否相等？为什么？_____________。 ②．C点上限制甲、植物光合作用的外界因素主要是什么？______________。
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Obama days Mandela is not only his personal hero but also a hero for the world.
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Obama is going to meet with the Mandela family instead of Nelson Mandela.
C.
President Obama may not get a chance to see Nelson Mandela on his trip to South Africa.
D.
The trip is bittersweet because President Obama cannot pay tribute to the man he calls a hero to the world.
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右下角只能选择全部框进去的
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左上角只能选择全部框进去的
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清透肺热
B.
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除烦止呕
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【单选题】已知0.01 mol/L某一元弱酸的pH = 5.0，则该弱酸的Ka为：
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B.
10 -3
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10 -8
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【单选题】He added, 'President Obama is going to do_____ he thinks is necessary to get our economy moving a
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30．He added, 'President Obama is going to do_____ he thinks is necessary to get our economy moving again.' A．everything what
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【单选题】What did Obama say toward progress in peace talks between Israelis and Palestinians?
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He says Israelis is going to have to make some difficult compromises.
B.
He said the atmosphere in which talks can restart cannot be created.
C.
He said they should work together to stop extremism and support peace.
D.
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相关题目：
【单选题】What is the main point of the report?
A.
Obama days Mandela is not only his personal hero but also a hero for the world.
B.
Obama is going to meet with the Mandela family instead of Nelson Mandela.
C.
President Obama may not get a chance to see Nelson Mandela on his trip to South Africa.
D.
The trip is bittersweet because President Obama cannot pay tribute to the man he calls a hero to the world.
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【多选题】修改工具栏用窗口选择对象时,从右下角和左下角窗口拉选有什么特点?
A.
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B.
左上角只能选择全部框进去的
C.
左上角只要相交就能选择住
D.
右下角只要和框相交就能选择住
查看完整题目与答案
【单选题】某一元弱酸的浓度为 0.01mol·L -1 , 298K 时离解度为 1% ,该一元弱酸的 K a 是:
A.
10 -2
B.
10 -4
C.
10 -6
D.
10 -8
E.
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查看完整题目与答案
【多选题】芦根、天花粉均有的功效是:
A.
清透肺热
B.
清热生津
C.
除烦止呕
D.
解毒消痈
E.
润肠通便
查看完整题目与答案
【单选题】以下哪一个工作不属于外贸单证员的工作任务( )
A.
跟单
B.
报检
C.
报关
D.
投保
查看完整题目与答案
【简答题】天花粉的功效有___、___。
查看完整题目与答案
【单选题】已知0.01 mol/L某一元弱酸的pH = 5.0，则该弱酸的Ka为：
A.
5%
B.
10 -3
C.
10 -8
D.
10 -7
查看完整题目与答案
【单选题】He added, 'President Obama is going to do_____ he thinks is necessary to get our economy moving a
A.
30．He added, 'President Obama is going to do_____ he thinks is necessary to get our economy moving again.' A．everything what
B.
no matter what
C.
whichever
D.
whatever
查看完整题目与答案
【简答题】试述影响学前儿童心理发展的因素。
查看完整题目与答案
【单选题】What did Obama say toward progress in peace talks between Israelis and Palestinians?
A.
He says Israelis is going to have to make some difficult compromises.
B.
He said the atmosphere in which talks can restart cannot be created.
C.
He said they should work together to stop extremism and support peace.
D.
All of the above are right.
查看完整题目与答案