题目内容

下列程序中，表达式 “d=a!=b

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________________ is the supreme organ of state power.

A. The CPC
B. The CPPCC
C. The NPC

At present, China has 23 provinces, _______ automonous regions, 4 municipalities and 2 special administrative regions.

A. 3
B. 4
C. 5
D. 6

Now in China, couples are allowed to have two children if either parent is an only Child.

A. 对
B. 错

照相、放电影属于下列（）

A. 平行投影
B. 斜投影
C. 中心投影
D. 正投影法