作为个体行为基础的变量是()。
A.健康
B.政治态度
C.人格
D.财富
参考答案:C
Mr. Li is gaining _______. He has to do some exercises to lose _______.
A.weighty…weigh
B.weight…weight
C.fat…weigh
D.weighty…heavy
下列4个无符号十进制整数中,能用8个二进制位表示的是
A.257
B.201
C.313
D.296