— How was your trip?
— Very good. We enjoyed ______.
受气候条件的影响,欧洲西部的农业以( )
方法一:____;
方法二:____.
遗传病会给家庭、社会造成极大不幸,下列措施中不能预防遗传病发生的是( )
____ ____ is it?