Unit 7Whats the highest mountain in the world?第一课时Section A(1a2d).根据句意及汉语提示填写单词。1The lake is about 400 _(平方) meters in size.2Do you know how _(深的) the river is?3You must take plenty of water if you want to travel through the _(沙漠)4The _(墙) is about five meters high.5Im going to join the oneday _(旅游) in Beijing.用方框中所给单词的适当形式填空。tourist，ancient，population，Asian，protect来源:学+科+网Z+X+X+K6This book is about peoples life in _
