小儿麻疹的传播途径是（）
A.呼吸道感染
B.消化道感染
C.血行播散
D.皮肤感染
E.淋巴播散
参考答案：A
Peter _____ a famous actor this morning, but he didn't _____ his autograph. [ ]
A. meets; gets
B .met; got
C. met; get
D. meet; get
After a _____ discussion, they came up with a new ____ to the study of physics.[ ]
A. two hours', access
B. two hours', way
C. two-hour, approach
D. two-hour , method
