将软盘或光盘上的内容读到电脑中,称为()
A.拷贝
B.写盘
C.读盘
D.输出
参考答案:C
传染性单核细胞增多症的病原体是()
A.单纯疱疹病毒
B.柯萨奇病毒
C.风疹病毒
D.汉坦病毒
E.EB病毒
To their great _____, Tom’s problem proved not to be as serious as they had feared.
A.happy
B.worry
C.anxiety
D.relief