问题
单项选择题
从病原体侵入机体到临床症状出现这段时间称为
A．传染期
B．潜伏期
C．隔离期
D．非传染期
E．以上都不对
答案
参考答案：B
解析：从病原体侵入机体到临床症状出现这段时间称为潜伏期。
搜题请搜索小程序“爱下问搜题”
从病原体侵入机体到临床症状出现这段时间称为
A．传染期
B．潜伏期
C．隔离期
D．非传染期
E．以上都不对
参考答案：B
解析：从病原体侵入机体到临床症状出现这段时间称为潜伏期。
My home is nice. I have a pet 1 and 2 name is Polly. It is a parrot(鹦鹉). I like Polly a lot. My classmate, Hu Tao, 3 a pet, too. The name of it is Bobby. It is a dog. Hu Tao 4 Bobby very much. Do you have 5 in your home? I often go to English Corner(英语角). I like 6 a lot. I speak English 7 some friends at the English Corner. 8 Hu Tao doesn’t like the English Corner. He doesn’t like English 9 . His English is 10 .So I often help him study English.
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