问题
单项选择题 A1型题
下面哪种疫苗是减毒活疫苗（）
A.卡介苗
B.乙脑疫苗
C.百日咳菌液
D.白喉类毒素
E.破伤风类毒素
答案
参考答案：A
搜题请搜索小程序“爱下问搜题”
下面哪种疫苗是减毒活疫苗（）
A.卡介苗
B.乙脑疫苗
C.百日咳菌液
D.白喉类毒素
E.破伤风类毒素
参考答案：A
| 从方框中选出能填人空白处的最佳选项补全对话。（选项中有两项是多余的）。 | |
| A: Hello! May I speak to Tom, please? B: Speaking. 1._____ A: This is Bill. I called you yesterday, but you were not at home． B: 2._____I need to prepare something for my trip to Shanghai. A: Shanghai? That's where the World Expo(世博会)is being held. How lucky you are! B: So I am. 3._____ A: I'll have a birthday party next Friday. Would you like to come? B: 4._____ My plane will take off next Wednesday. A: What a pity that you can't come ! 5._____ B: Thank you very much. Bye! A: Bye!
|