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【多选题】
图 3-6 (教材 28 页)可知:
A.
摄影的标准级谱按亮或白到暗或黑，中间是不同层次的灰，前后级谱间的亮度关系为倍数关系，所摄影 8 级级谱的景物亮度范围为 1 ： 128 ；
B.
对应亮度级谱，不同景物亮度反观率不同，其中最暗的黑色反光率为 0.8% ，最亮的白色的反光率为 100% ；每相邻级谱的反光率也存在倍数关系。
C.
黑白胶片的宽容度是 1 ： 128 ，可以正确再现景物的亮度层次
D.
彩色片的宽容度是 1 ： 64 ，电视摄像管的宽容度是 1 ： 32 ；说影视设备宽容幅度小于 1 ： 128 的景物亮度层次，会出现暗部曝光不足或者亮部过曝的情况。
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举一反三
【单选题】______ I you, I would go with him to the party.
A.
Was
B.
Had been
C.
Will be
D.
Were
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【判断题】线性分析将同样大的载荷加在反向产生位移的绝对值不变
A.
正确
B.
错误
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【单选题】The pattern of organization used in paragraphs 30-36 is ______
A.
list of items.
B.
time order.
C.
cause and effect.
D.
comparison.
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【单选题】What is the pattern of structure mainly used in Para.8?
A.
Comparison and contrast
B.
Cause and effect
C.
Classification
D.
Definition
E.
Process analysis
F.
Exemplification
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【单选题】The organizing pattern used in para. 7 is ________.
A.
space relationship
B.
time sequence
C.
example and illustration
D.
comparision and contrast
E.
cause and effect
F.
addition
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【判断题】体节愈合,器官集中,功能分化
A.
正确
B.
错误
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【简答题】物主代词 1. I _________ 2. they _________ 3. him ________ 4. she _________ 5. us ________ 6. you _________ 7. it __________ 8. yourself _____
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【简答题】I meant to help him, ______(expect) I have brought him trouble.
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【简答题】Amy: And you believe him, ______ ?Talia: I want to believe him, but I'm not sure.
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【单选题】The CN – ion is widely used in the synthesis of organic compounds. What is the pattern of electron pairs in this ion?
A.
。
B.
，，
C.
，，，
D.
；
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【单选题】______ I you, I would go with him to the party.
A.
Was
B.
Had been
C.
Will be
D.
Were
查看完整题目与答案
【判断题】线性分析将同样大的载荷加在反向产生位移的绝对值不变
A.
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B.
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【单选题】The pattern of organization used in paragraphs 30-36 is ______
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B.
time order.
C.
cause and effect.
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comparison.
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【单选题】What is the pattern of structure mainly used in Para.8?
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【单选题】The organizing pattern used in para. 7 is ________.
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space relationship
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【简答题】物主代词 1. I _________ 2. they _________ 3. him ________ 4. she _________ 5. us ________ 6. you _________ 7. it __________ 8. yourself _____
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【简答题】I meant to help him, ______(expect) I have brought him trouble.
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【简答题】Amy: And you believe him, ______ ?Talia: I want to believe him, but I'm not sure.
查看完整题目与答案
【单选题】The CN – ion is widely used in the synthesis of organic compounds. What is the pattern of electron pairs in this ion?
A.
。
B.
，，
C.
，，，
D.
；
查看完整题目与答案