问题
单项选择题 A1型题
传染源是指（）
A.体内有病原体的人
B.体内有病原体的人和动物
C.体内有病原体繁殖的人和动物
D.体内有病原体繁殖并能排出病原体的人和动物
E.能排出病原体的人和动物
答案
参考答案：D
搜题请搜索小程序“爱下问搜题”
传染源是指（）
A.体内有病原体的人
B.体内有病原体的人和动物
C.体内有病原体繁殖的人和动物
D.体内有病原体繁殖并能排出病原体的人和动物
E.能排出病原体的人和动物
参考答案：D
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| It is 1 o'clock.The children 2 to school by car every day. 3 today they are going to school on 4 . It is ten o'clock. Mrs Sawyer usually 5 at home in the morning,but today she is going 6 . It is four o'clock in the afternoon. Mrs Sawyer 7 tea 8 the living room.But this afternoon she is drinking 9 in the garden. It is six o'clock in the evening.The children usually do their 10 . But 11 they 12 in the garden. It is nine o'clock.Mr Sawyer usually 13 his newspaper at night.But he 14 his newspaper tonight.At the moment he is reading 15 interesting book. | ||||
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