A:转基因生物有可能成为“入侵的外来物种”,威胁生态系统中其他生物的生存
B:导入转基因生物的外源基因有可能与感染转基因生物的某些细菌或病原体杂交.从而重组出对人类或其他生物有害的病原体
C:转基因植物的抗除草剂基因,有可能通过花粉传播而进入杂草中,产生“超级杂草”
D:抗虫棉能抵抗棉铃虫,但随着棉铃虫抗性的增强,抗虫棉有可能被淘汰
落日望乡
孟浩然
客行愁落日,乡思重相催。
况在他山外,天寒夕鸟来。
云暗失阳台,雪深迷郢路。
可叹凄惶子,高歌谁为媒。
【注】①阳台:宋玉《神女赋》中楚襄王和神女相会之处。②郢路:泛指楚地之路,孟浩然是襄阳人,襄阳属楚。③凄惶:奔忙不定的样子。④歌:指自己为求仕而奔走呼号的作品。
根据短文内容及首字母提示完成短文。
My name is John. I am 13 years old. My b ____is 1st October and I was b____ in Nanjing. I live with my f____ in Shanghai. I have a t____ brother. I am s____ and I w____ glasses. I am good at English. I like playing football. I play football in the football f____. I also like c____ games. In the evening, I do my homework carefully. My father r____ newspapers. My mother c____dinner for us. My brother reads Chinese books every day.
下列命题是真命题的是( )