新的知识观认为，知识是人类财富的一种积累，是静态的。
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Two______ died of flu last winter.
A. hundreds old people
B. hundreds old peoples
C. hundred old people
D. hundred old peoples
---What is the English for 12:30?---It's_______.
A. twenty and thirty
B. twelve past thirty
C. twelve and thirty
D. half past twelve
_______ trees were planted every year.
A. Thousand
B. Thousand of
C. Thousands
D. Thousands of
In_______ Marx began to learn Russian.
A. 1870s
B. the 1870
C. the 1870s
D. his 70
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