在影响健康的因素中,生活方式因素实际属于
A.自然环境因素
B.生物遗传因素
C.社会环境因素
D.医疗-卫生服务因素
E.生物因素
参考答案:C
— Mary looks down today. What's up?
— Well, __________ happened between May and It is none of your business.[ ]
A. anything
B. no matter what
C. whatever
D. everything
在计算机的硬件技术中,构成存储器的最小单位是______。
A.字节(Byt
B.二进制位(bi
C.字(Wor
D.双字(Double Wor