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【简答题】
NADH呼吸链的磷氧比值是____,FADH2呼吸链的磷氧比值是____。
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皮皮学刷刷变学霸
举一反三
【单选题】Passing planes can be heard night and ay. You __________ them all the time.
A.
can heard
B.
can to hear
C.
can hear
D.
can be heard
【简答题】17 ( ) 1 The boat is passing___ the bridge. A. through B. below C. under D. across ( ) 2 Two planes are flying___ the city. A. through B. over , C. on , D, below ( ) 3 We can see a river running to th...
【单选题】Passing planes can be heard night and day.You ______ them all the time.
A.
can head
B.
can to hear
C.
can hear
D.
can be heard
【单选题】Passing planes can be heard night and d day. You ______ them all the time.
A.
can heard
B.
can be hear
C.
can hear
D.
can be heard
【单选题】I live near an airport and passing planes can _____ night and day.
A.
be hearing
B.
be heard
C.
hear
【单选题】纯度是指色彩与其补色所作用生成灰色的程度，也被称为饱和度，如果色彩表现出最为（）的状态，就证明它处于最高的纯度中。
A.
明快
B.
和谐和统一
C.
纯粹和鲜艳
D.
单纯和干净
【简答题】___ ___ 指色彩的鲜艳程度,纯粹程度,也指色彩的饱和度,又叫色度。______纯度最高。
【单选题】从1840年鸦片战争开始到1949年中华人民共和国成立之前,中国的社会性质属于 ( )。
A.
新民主主义社会
B.
封建主义社会
C.
旧民主主义社会
D.
半殖民地半封建社会
【单选题】Passing planes can be heard night and day. You them all the time.
A.
can heard
B.
can to hear
C.
can hear
D.
can be heard
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