二进制数10011010和0010 答案 进行逻辑乘运算(即与运算)的结果是 ( )
A.00001010
B.答案 答案
C.11000101
D.11111111
参考答案:A
—Why did you come by bus?
---My car broke down yesterday evening and I ____ it repaired.
A.didn’t have
B.don’t have
C.won’t have
D.haven’t had
下列自然现象中,属于熔化现象的是
A.春天,冰雪消融
B.夏天,露水晶莹
C.秋天,薄雾缥缈
D.冬天,瑞雪纷飞