问题
单项选择题
豌豆中未成熟的绿色豆荚对未熟的黄色豆荚是显性。用纯合绿色豆荚的个体为父本，与纯合黄色豆荚为母本杂交，母本上结出的未成熟豆荚颜色是（）
A.全是绿色
B.全是黄色
C.1/3是黄色
D.1/4是黄色
答案
参考答案：B
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豌豆中未成熟的绿色豆荚对未熟的黄色豆荚是显性。用纯合绿色豆荚的个体为父本，与纯合黄色豆荚为母本杂交，母本上结出的未成熟豆荚颜色是（）
A.全是绿色
B.全是黄色
C.1/3是黄色
D.1/4是黄色
参考答案：B
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| Last year Tom left school. He came to Hong Kong to find a 1 . He went to one company after 2 company. But no one wanted him. Now he had 3 money. He had to go back to his small town. So he came to the station. He felt very sad and 4 . It was very late at night and the station was 5 of people. They were waiting to buy tickets of the last train. He bought the 6 ticket. And he was very happy. At that time, a woman with a crying baby walked to him. She asked him to 7 her the ticket. He gave her the ticket. He thought they needed it 8 than he did. After the train left, he sat on the bench and didn't know 9 to go. Just then an old man came and said, "Young man, I saw what you did to help the woman. I have a big company. I need a good young man like you. Would you like to 10 for me?" | ||||
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