A:基因b控制的性状不能在后代表现,属于不遗传的变异
B:如果B来自父方,则b来自母方
C:基因组成Bb的个体表现为基因B所控制的性状
D:染色体上的B表示显性基因
秦朝时,蜀郡(现今四川地区一带)郡守产生的方式是( )
⑴The man is strong. ____
⑵Vegetables are good for you.____
⑶I like healthy food.____
⑷I always have breakfast.____
⑸I have breakfast at about 7:00 in the morning.____
A. B. C. D. E.
阅读下面这首明代诗歌,完成下列小题。
夜泊钱塘
茅坤
江行日已暮,何处可维舟?
树里孤灯雨,风前一雁秋。
离心迸落叶,乡梦入寒流。
酒市哪从问,微吟寄短愁。
根据短文内容判断下列句子正误。
Look! It's my school dining hall.We are here for lunch every day.Before,there were many tall trees.Ten years ago,there was only a small house in my school.There was no library or computer.The playground was also small.
Now,my school is very beautiful.The playground is big.The grass is green.We have PE and play sports on it.There is a nice teaching building in my school.It has six floors.The computer rooms are on the fourth floor and the library is on the sixth floor.We read books in the library and use the Internet in the computer rooms.