川崎病的病死率
A.0.5%~1%B.1%~2%C.15%~25%D.50%E.60%
参考答案:A
2. Born in 1970 to Chinese parents, Sara Chen grew up in the United States and was ______ influenced by the different cultures around him.
A.barely
B.immediately
C.nearly
D.Heavily
下列杂交方式中属于复合杂交的有()。
A.单交
B.双交
C.回交
D.三交