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【判断题】
儒家经典学说是抗拒音乐艺术的，认为“淫”，音乐都是下流的。()A.
正确
B.
错误
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反馈参考答案：
举一反三
【多选题】将下列打乱的句子重新排序，使其意思连贯完整。 Balzac was a great French writer.
A.
Balzac went to bed early but he couldn't sleep. He didn't have anything for supper.
B.
He lived in a dirty, wet room and was often worried about food.
C.
Balzac got up quietly, lit a lamp(点上灯) and said, 'Don't waste time, my friend! I couldn't find any money in the daytime . How can you find some in the dark?'
D.
The man began to steal (偷) something on his bookshelf. E. But he was very poor before he became famous. F. All his friends were as poor as he was and they could not help him. G. One night it was very cold. The wind blew and it was snowing heavily. H. And he didn't know where he could get some food for the next breakfast. I. At midnight he saw a man crawl (爬)in through the broken window. J. He thought and thought, but he couldn't have a good idea.
【简答题】He often went to bed _____. 他常常 饿着肚子 睡觉。 His ambition _______ . 他的野心断送了自己一条命。
【单选题】下列有关正向间接凝集抑制反应叙述正确的是
A.
用抗体致敏载体
B.
主要用于抗体的检测
C.
出现凝集为阳性
D.
不出现凝集说明标本中有待测抗原
E.
用抗体致敏载体检测抗体
【单选题】学生在做一道有4个选项的单项选择题时,如果他不知道问题的正确答案,就作随机猜测。现从卷面上看题是答对了,如果知道正确答案与胡乱猜测的概率都是0.5,则该学生确实知道正确答案的概率为( )。
A.
0.5
B.
0.8
C.
0.25
D.
0.2
【简答题】学生在做一道有4个选项的单项选择题时,如果他不知道正确答案时就随机猜测.若学生知道正确答案的概率为0.6. (1)求卷面上该题做对的概率; (2)若从卷面上看该题做对了,求该生确实知道正确答案的概率.
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