皮皮学，免费搜题
登录
搜题
【单选题】
不引起呼吸道感染的一组病毒是A.
流感病毒、麻疹病毒、ECHO病毒
B.
风疹病毒、EB病毒、腺病毒
C.
病毒、病毒
D.
呼肠病毒、腮腺炎病毒
E.
脊髓灰质炎病毒、轮状病毒
拍照语音搜题，微信中搜索"皮皮学"使用
参考答案：
参考解析：
知识点：
皮皮学刷刷变学霸
举一反三
【单选题】如在急性吸入毒性实验当中,随着苯的浓度越来越高,各试验组的小鼠死亡率也相应增高,这说明存在质反应关系
A.
量反应关系
B.
质反应关系
C.
剂量-量反应关系
D.
剂量-质反应关系
【单选题】Why does she feel that way?
A.
She has too much to do.
B.
She failed a test.
C.
She is getting married.
D.
Someone woke her up.
【单选题】How does the woman feel when she hears about the news?
A.
She is surprised.
B.
She is happy.
C.
She is sad.
【单选题】How does the woman feel about the test?
A.
She is not worried about it.
B.
Not mentioned.
C.
She is not sure about the test.
D.
She is sure it will be too hard.
相关题目：