问题
填空题
用所给单词的正确形式填空
1. __________(sandwich) are very delicious. I like them.
2. What do we need __________(make) a banana milk shake?
3. How many __________(cup) of yogurt do you want?
4. Mum is __________(cut) up onions in the kitchen.
5. Do you like __________(tomato) in your sandwich?
答案
1. Sandwiches 2. to make 3. cups 4. cutting 5. tomatoes
与椭圆
相交于A、B两点，该椭圆上点P，使得△PAB面积等于12，这样的点P共有（）