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【单选题】
细胞是( )年英国科学家( )用自制显微镜发现的。
A.
1665  施莱登
B.
1838  虎克
C.
1665  虎克
D.
1839 施旺
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举一反三
【单选题】( )是由协调者以函件形式向互不见面的专家发出问题表,收回的答卷经协调者归纳整理,将结果再以函件的形式发给专家,反复数次,直到获得一个比较一致的预测值为止。
A.
专家预测法
B.
德尔菲法
C.
顾客意愿调查法
D.
历史引申法
查看完整题目与答案
【简答题】Yesterday, you read in a newspaper that the magazine Finance wanted an editor. You decide to apply for it. Write a letter to Mr. Wang, who is in charge of the recruitment, introducing yourself and sta...
查看完整题目与答案
【简答题】. 一根放在水平光滑桌面上的匀质棒,可绕通过其一端的竖直固定光滑轴 O 转动.棒的质量为 m ,长度为 l ,对轴的转动惯量为 J = .初始时棒静止.今有一水平运动的子弹垂直地射入棒的另一端,并留在棒中,如图所示.子弹的质量为 m ¢ ,速率为 v .试问: (1) 棒开始和子弹一起转动时角速度 w 有多大? (2) 若棒转动时受到大小为 M r 的恒定阻力矩作用,棒能转过多大的角度 q ?
查看完整题目与答案
【简答题】(0787)一根放在水平光滑桌面上的匀质棒,可绕通过其一端的竖直固定光滑轴O转动.棒的质量为 ,长度为l = 1.0 m,对轴的转动惯量为 .初始时棒静止.今有一水平运动的子弹垂直地射入棒的另一端,并留在棒中,如图所示.子弹的质量为 ,速率为 .试问: (1) 棒开始和子弹一起转动时角速度 有多大? (2) 若棒转动时受到大小为 的恒定阻力矩作用,棒能转过多大的角度 ?
查看完整题目与答案
【单选题】Every product on the market has a variety of costs built into it before it is ever put up for sale to a customer. There are costs of production, transportation, storage, advertising, and more. Each of...
A.
the cost of production
B.
a percentage of total cost
C.
the cost of transportation
D.
the cost of storage.
查看完整题目与答案
【简答题】阅读理解。 Sometimes you make a wish but when it comes, you decide you don't want it after all. That's what happened with Mickey's 'birthday wish'. Our family tradition is that you make a wish before you b...
查看完整题目与答案
【判断题】马尾松大孢子叶的珠鳞和苞鳞合生, 而且珠鳞小于苞鳞。
A.
正确
B.
错误
查看完整题目与答案
【单选题】Poor George! I sympathized with him. I wondered now as I sat down beside him what infamous thing Tom had done. ( Para. 19 ) funny B. absurd C wicked D. amusing
A.
funny
B.
absurd
C.
wicked
D.
amusing
查看完整题目与答案
【单选题】—Whose advice do you think I should take? —You decide. ______ [     ]
A.
It’s up to you
B.
You speak
C.
That’s it
D.
You got it
查看完整题目与答案
【单选题】I was _____ to hear his _____ experience.
A.
amusing, amusing
B.
amused, amused
C.
amused, amusing
D.
amusing, amused
查看完整题目与答案
相关题目：
【单选题】( )是由协调者以函件形式向互不见面的专家发出问题表,收回的答卷经协调者归纳整理,将结果再以函件的形式发给专家,反复数次,直到获得一个比较一致的预测值为止。
A.
专家预测法
B.
德尔菲法
C.
顾客意愿调查法
D.
历史引申法
查看完整题目与答案
【简答题】Yesterday, you read in a newspaper that the magazine Finance wanted an editor. You decide to apply for it. Write a letter to Mr. Wang, who is in charge of the recruitment, introducing yourself and sta...
查看完整题目与答案
【简答题】. 一根放在水平光滑桌面上的匀质棒,可绕通过其一端的竖直固定光滑轴 O 转动.棒的质量为 m ,长度为 l ,对轴的转动惯量为 J = .初始时棒静止.今有一水平运动的子弹垂直地射入棒的另一端,并留在棒中,如图所示.子弹的质量为 m ¢ ,速率为 v .试问: (1) 棒开始和子弹一起转动时角速度 w 有多大? (2) 若棒转动时受到大小为 M r 的恒定阻力矩作用,棒能转过多大的角度 q ?
查看完整题目与答案
【简答题】(0787)一根放在水平光滑桌面上的匀质棒,可绕通过其一端的竖直固定光滑轴O转动.棒的质量为 ,长度为l = 1.0 m,对轴的转动惯量为 .初始时棒静止.今有一水平运动的子弹垂直地射入棒的另一端,并留在棒中,如图所示.子弹的质量为 ,速率为 .试问: (1) 棒开始和子弹一起转动时角速度 有多大? (2) 若棒转动时受到大小为 的恒定阻力矩作用,棒能转过多大的角度 ?
查看完整题目与答案
【单选题】Every product on the market has a variety of costs built into it before it is ever put up for sale to a customer. There are costs of production, transportation, storage, advertising, and more. Each of...
A.
the cost of production
B.
a percentage of total cost
C.
the cost of transportation
D.
the cost of storage.
查看完整题目与答案
【简答题】阅读理解。 Sometimes you make a wish but when it comes, you decide you don't want it after all. That's what happened with Mickey's 'birthday wish'. Our family tradition is that you make a wish before you b...
查看完整题目与答案
【判断题】马尾松大孢子叶的珠鳞和苞鳞合生, 而且珠鳞小于苞鳞。
A.
正确
B.
错误
查看完整题目与答案
【单选题】Poor George! I sympathized with him. I wondered now as I sat down beside him what infamous thing Tom had done. ( Para. 19 ) funny B. absurd C wicked D. amusing
A.
funny
B.
absurd
C.
wicked
D.
amusing
查看完整题目与答案
【单选题】—Whose advice do you think I should take? —You decide. ______ [     ]
A.
It’s up to you
B.
You speak
C.
That’s it
D.
You got it
查看完整题目与答案
【单选题】I was _____ to hear his _____ experience.
A.
amusing, amusing
B.
amused, amused
C.
amused, amusing
D.
amusing, amused
查看完整题目与答案
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