This picture _____ pretty good.
[ ]
A. looks
B. sees
C. sounds
D. looks at
答案：A
—Dad, do you like my picture?
—How wonderful ! It's ______ one I've ever seen! [ ]
A. nice
B. the nice
C. nicer
D. the nicest
6岁以下幼儿感染EBV后多呈（）
A.潜伏性感染
B.临床感染
C.病原携带状态
D.显性感染
E.隐性感染
