智力题：1.what letter is good for your health?
2.If you can't open the door,what animal can you ask to help you?
3.Which city is the biggest in China?
参考答案:1.what letter is good for your health?
y health加了y就是 healthy 表示健康
2.If you can't open the door,what animal can you ask to help you?
trained pigeon 让训练过的鸽子到飞到屋里去把钥匙弄出来。
3.Which city is the biggest in China?
Chongqing