治疗伤寒、副伤寒的首选药是（）。
A.四环素
B.氯霉素
C.青霉素G
D.庆大霉素
E.红霉素
参考答案：B
请根据中文正确拼写单词，每空限填一词
Hello, I'm 1______(来自) Beijing.There are 2______(四个)seasons here. Spring,summer,autumn
and winter. I have two 3_____( 姐妹 ), I can 4_____( 游泳 )in the river. I can sing and 5_____( 弹)
the piano very 6_____( 好). I can 7_____( 说) English .I like 8_____( 骑) a bike. I 9_____( 想) to
be 10_____( 你的) friend.
