问题
单项选择题
从地层里挖出来的千年古莲子，种在泥塘里仍能长叶开花，但其花色与现代莲稍有不同，这说明生物体具有（）
A、适应性
B、遗传性
C、变异性
D、遗传和变异性
答案
参考答案：D
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从地层里挖出来的千年古莲子，种在泥塘里仍能长叶开花，但其花色与现代莲稍有不同，这说明生物体具有（）
A、适应性
B、遗传性
C、变异性
D、遗传和变异性
参考答案：D
| 信息匹配 | ||||||
| The people below all want to go on a short trip and there are descriptions of six trips which a ferry company is offering. | ||||||
| 1. Ray and three of his friends would like to spend a whole weekend driving around in nice scenery and enjoying some local food. | ||||||
| 2. Phil and Adam want to go on a comfortable trip which takes them quickly to an interesting city. Then they want to enjoy at least two days of sightseeing. | ||||||
| 3. Mike, Kathy and their three children don't have much money, but they want a special day out this Saturday. They must be back home by 9 p.m. | ||||||
| 4. Kirsten is a Dutch student who is studying in Scotland. She doesn't drive, but wants a day trip to see some beautiful scenery and spend a little time by the sea. | ||||||
| 5. Clare and Robert want to enjoy some good food, but would also like to give their two young children a day to remember. They don't mind if they spend a lot of money | ||||||
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