Global warming has severe impact on water supplies.CLOSEST

• very good

• very bad

• normal

• long-lasting

Global warming occurs when the greenhouse gases in the atmosphere trap the heat from the sun.CLOSEST

• catch

• discharge

• dispose

• release

Global warming is one of the biggest issues facing humans nowadays.CLOSEST

• causes

• factors

• concerns

• agreements

Global warming effects on people and nature are catastrophic.CLOSEST

• destructive

• constructive

• evaluative

• creative

Reusing and recycling glass, plastic, paper and other products help to reduce waste and pollution, and conserve natural resources.CLOSEST

• preserve

• reserve

• converse

• reverse

Ha Long Bay has attracted millions of visitors who come to enjoy its breathtaking views and experience other activities.CLOSEST

• unbreathable

• heartbreaking

• awe-inspiring

• unforgettable

They can enjoy the comfort and elegance of five-star hotels and luxury cruise ships.CLOSEST

• style

• convenience

• standard

• grace

We need to cut down on the emission of carbon dioxide into the atmosphere.CLOSEST

• intake

• retake

• uptake

• discharge

Scientists working on the site found many ancient tools, tombs, and pottery, and made some important________ discoveries.CLOSEST

• geological
• archaeological
• exploring
• preservation

The demand for cars is increasing rapidly in the modern world.CLOSEST

• need

• offer

• C . reply

• discovery