1.China's large population, while the sparsely populated of Canada是中国人口众多，而加拿大人口稀少。2.Many是众多。Scarce是稀少。3.定期是regularly。4.Regularly review the texts will help you remember the knowledge has been learned是.经常复习课文有助你记住已学的知识
1.China has a large population, but/while Canada has a poor population.表达人口众多用“large population”
人口稀少用“poor population”
(绝对是这样的)2..经常复习课文有助你记住已学的知识。Regularly review the texts will help you remember the knowledge has been learned.
