The old man had four children, all of()died during the Civil War.
A. them
B. whom
C. which
D. that
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What does the author think about the relationship between a new thought and its being put into practice
A. It's more difficult to create a new thought than to use it in practice.
B. To find a new thought will clearly lead to the production of a new thing.
C. A man with an excellent ability of practice can easily become an inventor.
D. One may come up with a new thought, but cannot put it into practic
抗日民主根据地的教育经费管理,一般是由各边区政府财政部门或行(专)署()。
A. 统筹统支
B. 定额拨款
C. 自筹自支
D. 自筹统支
It can be inferred from the passage that only children's parents should______.
A. found a support group for their only children
B. do volunteer work to help their only children
C. let their only children make all the decisions alone
D. set good examples for their only children
汉译英:“摩擦系数”,正确的翻译为( )。
A. reeaing Point
B. Freeaing Factor
C. Friction Point
D. Friction Factor