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【单选题】
下列关于Windows XP“回收站”的叙述中,正确的是()
A.
从网络中删除的文件将放入回收站
B.
想恢复已删除的文件和文件夹,可以从回收站中选择“清空回收站”
C.
从回收站中还原文件,应右键单击该文件,然后单击“还原”
D.
所有被删除的文件和程序都不能还原
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举一反三
【多选题】下列病原属于非侵染性病原的有（ ）
A.
温度
B.
湿度
C.
药害
D.
遗传因素
E.
农事操作不当
查看完整题目与答案
【单选题】下列不属于非侵染性病害的说法
A.
病害分布较均匀一致
B.
分离不出病原物
C.
有传染性
D.
饥饿症可以复元
查看完整题目与答案
【多选题】下列属于非侵染性病害的有( )
A.
植物冻害
B.
高温日灼
C.
2，4-D造成的药害
D.
机械损伤
E.
植物缺素
查看完整题目与答案
【单选题】The diagram shows an experiment to demonstrate the movement of molecules. After one hour, the water in the beaker turned red. What is the most likely reason for this colour change?
A.
Molecules of red ink move through the membrane by diffusion.
B.
Molecules of red ink move through the membrane by osmosis.
C.
Molecules of water move through the membrane by diffusion.
D.
Molecules of water move through the membrane by osmosis
查看完整题目与答案
【单选题】The diagram shows a section through an alveolus and through a capillary. How does carbon dioxide move from Y to X ?
A.
by diffusion
B.
by osmosis
C.
by translocation
D.
by transpiration
查看完整题目与答案
【单选题】The diagram shows the effect of an enzyme working in the human digestive system . What would reduce the rate of production of amino acids?
A.
removing the amino acids as they are formed
B.
increasing the amount of protein
C.
raising the temperature to 37.1 ° C
D.
raising the pH to 7.5
查看完整题目与答案
【单选题】如果一次课的教学任务是在复习巩固旧知识的基础上学习新知识,下列那种教学方法组合比较适宜( )
A.
谈话法+讨论法
B.
读书指导法+讨论法
C.
谈话法+讲授法
D.
读书指导法+谈话法
E.
读书指导法+讲授法
查看完整题目与答案
【简答题】下列属于非侵染性病害的有( )A. 植物冻害   B.高温日灼   C.2，4-D造成的药害   D. 机械损伤
查看完整题目与答案
【单选题】The diagram shows a shift in the aggregate demand curve of an economy from AD1 to AD2 What could have caused this shift?
A.
an increase in expenditure on imports
B.
an increase in government tax rates
C.
an increase in the international trade deficit
D.
an increase in the money supply
查看完整题目与答案
【单选题】如果一次课的教学任务是在复习巩固旧知识的基础上学习新知识,下列哪种教学方法组合比较适宜( )
A.
谈话法+讨论法
B.
读书指导法+讨论法
C.
谈话法+讲授法
D.
读书指导法+谈话法
查看完整题目与答案
相关题目：
【多选题】下列病原属于非侵染性病原的有（ ）
A.
温度
B.
湿度
C.
药害
D.
遗传因素
E.
农事操作不当
查看完整题目与答案
【单选题】下列不属于非侵染性病害的说法
A.
病害分布较均匀一致
B.
分离不出病原物
C.
有传染性
D.
饥饿症可以复元
查看完整题目与答案
【多选题】下列属于非侵染性病害的有( )
A.
植物冻害
B.
高温日灼
C.
2，4-D造成的药害
D.
机械损伤
E.
植物缺素
查看完整题目与答案
【单选题】The diagram shows an experiment to demonstrate the movement of molecules. After one hour, the water in the beaker turned red. What is the most likely reason for this colour change?
A.
Molecules of red ink move through the membrane by diffusion.
B.
Molecules of red ink move through the membrane by osmosis.
C.
Molecules of water move through the membrane by diffusion.
D.
Molecules of water move through the membrane by osmosis
查看完整题目与答案
【单选题】The diagram shows a section through an alveolus and through a capillary. How does carbon dioxide move from Y to X ?
A.
by diffusion
B.
by osmosis
C.
by translocation
D.
by transpiration
查看完整题目与答案
【单选题】The diagram shows the effect of an enzyme working in the human digestive system . What would reduce the rate of production of amino acids?
A.
removing the amino acids as they are formed
B.
increasing the amount of protein
C.
raising the temperature to 37.1 ° C
D.
raising the pH to 7.5
查看完整题目与答案
【单选题】如果一次课的教学任务是在复习巩固旧知识的基础上学习新知识,下列那种教学方法组合比较适宜( )
A.
谈话法+讨论法
B.
读书指导法+讨论法
C.
谈话法+讲授法
D.
读书指导法+谈话法
E.
读书指导法+讲授法
查看完整题目与答案
【简答题】下列属于非侵染性病害的有( )A. 植物冻害   B.高温日灼   C.2，4-D造成的药害   D. 机械损伤
查看完整题目与答案
【单选题】The diagram shows a shift in the aggregate demand curve of an economy from AD1 to AD2 What could have caused this shift?
A.
an increase in expenditure on imports
B.
an increase in government tax rates
C.
an increase in the international trade deficit
D.
an increase in the money supply
查看完整题目与答案
【单选题】如果一次课的教学任务是在复习巩固旧知识的基础上学习新知识,下列哪种教学方法组合比较适宜( )
A.
谈话法+讨论法
B.
读书指导法+讨论法
C.
谈话法+讲授法
D.
读书指导法+谈话法
查看完整题目与答案