设集合M ={1,2,4,8},N={x|x是2的倍数},则M∩N=[ ]
A.{2,4}
B.{1,2,4}
C.{2,4,8}
D.{1,2,4,8}
答案:C
—How do you like the football match?
—Wonderful, I believe. Just as fine as ________ of the matches we've ever seen.
A.one
B.another
C.some
D.any
疱疹性咽峡炎的病原是()。
A.柯萨奇病毒
B.带状疱疹病毒
C.腺病毒
D.人类疱疹病毒6型
E.呼吸道舍胞病毒