A millennium ago, stepwells were fundamental to life in the driest parts...

Unit 4 Lifestyles 1、out- 名词形容词前，表示“非中心的”、“向外、离开”；动词前，表示“超越、胜过”； outdoor ...

Unit 3 Keeping fit 1、health\healthy n:health benefits\health risks\healt...

Unit2 Mental and physical development 1、infant\toddler infant n 婴儿 a ne...

Unit 1 growing up 1、-hood (suffix) used to form nouns describing the sta...

同义替换 reserve 预定 book in advance 提前 ahead\before have to 必须 must\shoul...

If baby only wanted to, he could fly up to heaven this moment. It is not...

The sleep that flits on baby's eyes - does anybody know from where it co...

On the seashore of endless worlds children meet. The infinite sky is mot...