周恩来在全国知识分子工作会议上对知识分子的阶级属性的表述是（）
A. 知识分子已经是工人阶级的一部分
B. 知识分子是民族资产阶级的一部分
C. 知识分子不属于工人阶级
D. 知识分子是一个独立的阶级
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听力原文：Hi, John, what does your father do？
(5)
A. He is watering the flowers.
B. He is a worker.
C. He does it well.
D. He can do everything.
听力原文：Hi. Tom, you look pale. What's wrong with you？
(4)
A. It is wrong.
B. I have got a cold.
C. I have no question at all.
D. I am fight.
What's the author's original(最初的) attitude towards the book？
A. He was interested.
B. He was quite surprised.
C. He simply avoided reading the book.
D. He hated Benedict, the author of the book.
可能性是指（）。
A. 头脑中的构造物
B. 已经存在着的事物
C. 预示事物发展前途的种种趋势
D. 失去必然性的东西
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