改革开放后，安徽省凤阳县农民咏唱新生活：“吃不愁，穿不愁，腰里别着十块钱，又娶媳妇又盖楼”。这些都应该感谢哪一政策的实施（    ）

下列属于生物的是（    ）

Jim：Hi, Kate！What's the weather like in Shanghai today?

Kate：Hi, Jim！It's sunny and warm here. I'm going to the zoo this afternoon.

Jim：Sounds good.

Kate：Jim, how's the weather in Beijing now?

Jim：It's cloudy. It's going to rain. So I can't fly a kite in the park.

Kate：Oh, I see.

Jim：Do you know the weather in Guangdong?

Kate：It's too hot. The children there usually go swimming in the river.

Jim：Oh, I like swimming, too. But I can't swim now. It's cold here.