Câu 5: Choose the best answers to complete the sentences.2.With so many different species of plants and animals, the ________ of the area is amazing.A.biodiversityB.conservationC.tropical forestD.habitat7.It is our responsibility to ________ our planet's ecosystems.A.serveB.preserveC.impactD.destroy9.Pangolins and tigers are some of the animals that are ________ to Viet Nam.A.endangeredB.tropicalC.nativeD.natural11.Many of our favourite foods such as chocolate and coffee come from ________.A.wildlifeB.nature reservesC.natural parksD.tropical forests

Câu 3: Choose the letter to indicate the best option for each of the questions.1.The red squirrel in England is in danger of ________.A.growthB.extinctionC.damageD.destruction5.Naturally, many different species in this freshwater ecosystem share the same kind of ________.A.animalsB.foodC.plantsD.weather6.The national park was established to ______ the ecosystem of the limestone forests.A.attackB.abandonC.protectD.give up9.Ecotourism is a useful tool to manage and ______ natural and cultural landscapes.A.desertB.useC.releaseD.conserve14.Saltwater invasion can be quite _______ to coastal farmers who depend on fresh groundwater for livelihood.A.dangerB.endangerC.dangerousD.dangerously16.Scientists have been studying different ecologies _______ the 20th century.A.forB.sinceC.inD.by18.These animals consume the local vegetation, which helps reduce the ______ of wildfire.A.riskB.chanceC.opportunityD.case19.The search for the new kind of penguin in Antarctica has been ______ international media attention.A.attractB.attractedC.attractingD.to attract20.Some people ________ down lots of trees along the river for the past two weeks.A.cutB.are cuttingC.have been cuttingD.have cut21.The negative effects of eco-tourism occur when visitors go beyond the environment ________.A.protectionB.importanceC.destructionD.limit

Question No 21.The four sentences (labelled 1, 2, 3 and 4) given below, when properly sequenced, would yield a coherent paragraph. Decide on the proper sequencing of the order of the sentences and key in the sequence of the four numbers as your answer.1. The broad range estimates put forward in studies so far also have one thing in common: They're all much greater than the natural background rate.2. From dodos, to golden toads, to Tasmanian tigers, many species have succumbed to our unique blend of destruction.3. Humans are very good at wiping out wildlife.4. The exact number of animal species humans have driven to extinction is unknown, but it could be hundreds of thousands.

Câu 8: Rearrange the words or phrases to make meaningful sentences.1. causing/our/serious/activities/are/to/illegal / ecosystems. / These / harms→ These illegal activities .2. regarded / biodiversity/as/the/ Land / of /loss. / clearing / cause/can/main/be→ Land clearing .3. the ice surface / difficult / Some/plants/conditions. /have/on/been/under/growing→ Some plants

The biome with the greatest number of ecological niches and highest species diversity is ________.Question 5Select one:A.deciduous forestB.tropical rain forestC.desertD.boreal forestE.chaparral

7.Explain the global, national,local levels of biodiversity