`41.`C Vietnamese life in the countryside

`→`Dựa vào nội dung của toàn bài, ta có thể biết được đoạn văn trên đề cập đến "Cuộc sống ở nông thôn Việt Nam"

`42.`C Studying

`→`Dẫn chứng : Villagers in the Southern usually live in houses lined up along central road and built on stilts to keep above flood waters...People in the central highlands and the northern mountains live by growing rice, rubber trees, coffee and tea as well as hunting.

`⇒`Không đề cập đến việc học

`43.`B To protect the house from being flooded

`→`Dẫn chứng : Villagers in the Southern usually live in houses lined up along central road and built on stilts to keep above flood waters.

`44.`D Villagers often work individually

`→`With the habit of working in teams and being helpful to one other, villagers usually earn their living from farming, raising livestock, and making handicrafts. `⇒`They don't work individually ( riêng lẻ )

`45.`A spending a lot of time studying

`→`studious : ham học `⇒`spending a lot of time studying : dành nhiều thời gian cho việc học