白血病治疗一疗程结束至下一疗程开始,中间须间隔
A.1周
B.2周
C.3周
D.4周
E.5周
参考答案:B
一Tell us, Mark ,what is the ____ of the American Civil War?
一 Well, is it because the black slaves wanted freedom?
A.effect
B.cause
C.result
D.reason
微型计算机中1KB表示的二进制位数是
A.1000
B.8×1000
C.1024
D.8×1024