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【单选题】
有一冬小麦不同时期施用氮肥的比较试验，设置5个处理：A不施氮肥、B播种期施氮肥、C越冬期施氮肥、D拔节期施氮肥、E抽穗期施氮肥。采用5×5拉丁方设计，小区面积32【图片】，获得小区产量（kg）资料。经方差分析已知各处理的小区产量平均数间存在极显著差异，用SSR法进行各处理的小区产量平均数进行多重比较，则可以认为（）。各处理小区产量平均数间的多重比较表（SSR法）处理平均数显著性0.050.01D10.14aAC9.88abAB9.34bAE7.70 c BA（CK）7.38 c B
A.
拔节期施用氮肥优于越冬期
B.
拔节期施用氮肥优于抽穗期和播种期
C.
越冬期施用氮肥优于播种期
D.
各时期施用氮肥的小区产量平均数都高于不施用氮肥
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参考答案：
举一反三
【判断题】与逻辑、或逻辑、非逻辑是基本的逻辑关系
A.
正确
B.
错误
查看完整题目与答案
【判断题】( )CA6140车床主轴的正反转,是直接改变电动机旋转方向后得到的。
A.
正确
B.
错误
查看完整题目与答案
【判断题】非与逻辑是与非逻辑。
A.
正确
B.
错误
查看完整题目与答案
【判断题】逻辑与的非 是逻辑或, 逻辑或的非是逻辑与。
A.
正确
B.
错误
查看完整题目与答案
【单选题】Ms. Anna is a 30 years old woman who had mitral stenosis of rheumatic heart disease for 10 years. In the past month, she often woke up at night and breathed deeply and quickly, accompanied by wheezing...
A.
Increased blood flow with the horizontal position
B.
Diaphragmatic elevation / decline
C.
Increased sympathetic nervous tension
D.
Bronchodilation
E.
Systemic arteriospasm
查看完整题目与答案
【单选题】关于CA6140卧式车床的说法中，错误的是（）。
A.
主轴箱将主电机的旋转运动变换成主轴多种不同转速的正、反向旋转运动
B.
进给箱将主轴的旋转运动变换成尾架多种不同转速的运动
C.
丝杠和光杠将进给箱的运动传递给溜板箱
D.
溜板箱将光杠和丝杠的旋转运动变换成刀架的直线运动
查看完整题目与答案
【多选题】Part III Cloze(1.5*10=15 points) Read the following two passages and fill in the blanks with the given words. 阅读下列文章,在空白处填上合适词汇的选项。 Section A
A.
worried
B.
whether
C.
troubles
D.
number
E.
health Now more and more people in the world are getting fatter, which ___41____ them a lot. In the past 25 years, the ___42____ of the people with obesity( 肥胖 ) in America has doubled. Experts say that it has a lot to do with our eating habits. Our eating habits are very important for good __43___ and a strong body. It’s important for us to eat our meal at the same time each day. When we feel ___44___ or excited, we may not want to eat. A long time ago, in England, some judges often decided ___45___ a man was telling the truth by giving him some dry bread. If the man could not swallow the bread, it meant the he wasn’t telling the truth. A man who is worrying about something has difficulty in swallowing anything dry, because he loses his appetite (食欲) .
查看完整题目与答案
【多选题】色彩的距离感与其哪些属性密切相关。
A.
色相
B.
纯度
C.
明度
查看完整题目与答案
【判断题】( )CA6140车床主轴的正反转,是直接改变电动机旋转方向后得到的。
A.
正确
B.
错误
查看完整题目与答案
【判断题】CA6140 型卧式车床主轴的正反转,是直接改变电动机的旋转方向得到的。
A.
正确
B.
错误
查看完整题目与答案
相关题目：
【判断题】与逻辑、或逻辑、非逻辑是基本的逻辑关系
A.
正确
B.
错误
查看完整题目与答案
【判断题】( )CA6140车床主轴的正反转,是直接改变电动机旋转方向后得到的。
A.
正确
B.
错误
查看完整题目与答案
【判断题】非与逻辑是与非逻辑。
A.
正确
B.
错误
查看完整题目与答案
【判断题】逻辑与的非 是逻辑或, 逻辑或的非是逻辑与。
A.
正确
B.
错误
查看完整题目与答案
【单选题】Ms. Anna is a 30 years old woman who had mitral stenosis of rheumatic heart disease for 10 years. In the past month, she often woke up at night and breathed deeply and quickly, accompanied by wheezing...
A.
Increased blood flow with the horizontal position
B.
Diaphragmatic elevation / decline
C.
Increased sympathetic nervous tension
D.
Bronchodilation
E.
Systemic arteriospasm
查看完整题目与答案
【单选题】关于CA6140卧式车床的说法中，错误的是（）。
A.
主轴箱将主电机的旋转运动变换成主轴多种不同转速的正、反向旋转运动
B.
进给箱将主轴的旋转运动变换成尾架多种不同转速的运动
C.
丝杠和光杠将进给箱的运动传递给溜板箱
D.
溜板箱将光杠和丝杠的旋转运动变换成刀架的直线运动
查看完整题目与答案
【多选题】Part III Cloze(1.5*10=15 points) Read the following two passages and fill in the blanks with the given words. 阅读下列文章,在空白处填上合适词汇的选项。 Section A
A.
worried
B.
whether
C.
troubles
D.
number
E.
health Now more and more people in the world are getting fatter, which ___41____ them a lot. In the past 25 years, the ___42____ of the people with obesity( 肥胖 ) in America has doubled. Experts say that it has a lot to do with our eating habits. Our eating habits are very important for good __43___ and a strong body. It’s important for us to eat our meal at the same time each day. When we feel ___44___ or excited, we may not want to eat. A long time ago, in England, some judges often decided ___45___ a man was telling the truth by giving him some dry bread. If the man could not swallow the bread, it meant the he wasn’t telling the truth. A man who is worrying about something has difficulty in swallowing anything dry, because he loses his appetite (食欲) .
查看完整题目与答案
【多选题】色彩的距离感与其哪些属性密切相关。
A.
色相
B.
纯度
C.
明度
查看完整题目与答案
【判断题】( )CA6140车床主轴的正反转,是直接改变电动机旋转方向后得到的。
A.
正确
B.
错误
查看完整题目与答案
【判断题】CA6140 型卧式车床主轴的正反转,是直接改变电动机的旋转方向得到的。
A.
正确
B.
错误
查看完整题目与答案
参考解析：
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