1) what does living thing need? a) air b) clothes c) water d) toys e) food f) soda 2) what can living things do? ( not in actions ) a) die b) dig c) respond to changes d) dance e) count f) reproduce 3) how many living things are there in earth now a) 100 b) 600 million c) 300 billion d) 1000 trillion e) 100 million f) 100 trillion

scince

由
列印
嵌入

排行榜

視覺風格

選項

切換範本

恢復自動保存: ?