What's the biggest difference between the first and second green revolution in America?
A.The first green revolution is to improve the food output while the second is not.
B.The second green revolution is based on the theory of inserting genes while the first depends on that of crossbreeding.
C.The technology that is used in the second green revolution has much more enormous potential than that of the first's.
D.The second green revolution has caused harm to the environment while the first has not.
第1题
下面各选项中,属于非法的C++整型常量的是()。
A.1
B.0x11
C.81
D.-32768
第4题
下面选项中不是Java中整型常量的正确书写格式的是()。
A.120
B.012
C.Ox12
D.(10)B
第8题
下列属于不合法的C语言整型常量的选项是()。
A.-32679
B.0Xabc
C.69
D.3.00E+02
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