Lựa chọn xanh cho Trái Đất

11. Choose the expression that fits each gap.Chọn từ hoặc cụm từ phù hợp với mỗi chỗ trống.

1. ___ means all the plants and animals that live in one place.AFlora and faunaBWater bodiesCOuter space
2. Seas, rivers, and lakes are all kinds of ___.AlandformsBflora and faunaCwater bodies
3. The Sun and its eight planets make up the ___.Afood chainBSolar SystemCwater bodies
4. Astronauts travel through ___ in rockets.AlandformsBouter spaceCwater bodies
5. Hills, valleys, and plains are different ___.AlandformsBsolar systemsCwater bodies

22. Choose the expression that fits each gap.Chọn từ hoặc cụm từ phù hợp với mỗi chỗ trống.

1. In a ___, a frog eats an insect, a snake eats the frog, and an eagle eats the snake.Anature reserveBgrasslandCfood chain
2. Zebras and lions live on a ___, where there are few trees and a lot of tall grass.AgrasslandBpoleCfood chain
3. Hunting is not allowed in ___, so rare animals can live safely there.Afood chainsBpolesCnature reserves
4. Polar bears and penguins live near the two ___ of Earth.AgrasslandsBpolesChabitats
5. Forests, rivers, and deserts are different natural ___ for wild animals.Afood chainsBhabitatsCpoles

33. Choose the best option, A, B, C, or D.Chọn đáp án đúng A, B, C hoặc D.

1. When a forest is cut down to make room for a town, animals suffer from ___.Ahabitat lossBa food chainCglobal warmingDecological balance
2. Burning too much coal and oil makes the planet warmer. This problem is called ___.Aa nature reserveBa food chainChabitat lossDglobal warming
3. Rangers work hard to ___ rare tigers from hunters.AprotectBpolluteCsellDlose
4. When there are enough plants for plant-eaters and enough plant-eaters for meat-eaters, a forest keeps its ___.Ahabitat lossBecological balanceCglobal warmingDpoles
5. Museums and parks try to ___ old buildings and big trees so that they last for many years.AhuntBharmCwasteDpreserve

44. Choose the correct relative pronoun for each gap.Chọn đại từ quan hệ đúng cho mỗi chỗ trống.

1. Jupiter, ___ is the biggest planet in our Solar System, has a giant red storm.AwhichBwhoCwhose
2. Ms Green, ___ studies polar bears in the Arctic, is our guest today.AwhichBwhoseCwho
3. Our teacher, ___ hobby is bird-watching, took us to a wetland.AwhichBwhoCwhose
4. Ha Long Bay, ___ is famous for its limestone islands, attracts many visitors.AwhichBwhoCwhose
5. Earth Hour, ___ takes place once a year, asks people to switch off their lights for an hour.AwhoseBwhichCwho