皮皮学，免费搜题
登录
搜题
【判断题】
高致病性禽流感都是由H5和H7亚型病毒引起来的,但是H5、H7亚型病毒大部分是低致病性禽流感病毒;而H5、H7亚型的低致病性禽流感病毒,在条件合适的时候又很容易演变为高致病性禽流感病毒。A.
正确
B.
错误
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】A) His favorable recommendations. B) His outstanding musical talent. C) His academic excellence. D) His unique experience.
A.
His favorable recommendations.
B.
His outstanding musical talent.
C.
His academic excellence.
D.
His unique experience.
【简答题】His unique a_______________(方法,方式) to the problem was thought highly of by the teacher.
相关题目：