Young people need to improve some skills and knowledge to be able to make a ________ to the economy. A. attraction B. contribution C. delivery D. development

The manger’s ________ skills decide the way an organization works and grows. A. communication B. teamwork C. apprenticeship D. leadership

( CLOSEST )The museum showcases artwork from different artists IN A VARIETY of styles. A. some types B. many same types C. many different types D. a few types

________, such as carbon dioxide and methane called greenhouse gases, are damaging the earth. A. Pollute B. Pollutants C. Pollution D. Polluted

( opposite ) Natural BALANCE in which greenhouse gases emitted into the atmosphere are at the same amount as those removed from it is one of the issues discussed in COP.

( opposite ) Renewable energy is an energy that can be replaced without being USED UP. People can have it as much as they want. A. made up B. filled up C. taken up D. cheered up

One of the best ways to reduce greenhouse gas ________ is using renewable energy. A. emission B. production C. action D. preservation

When we burn waste, soot which has a strong warming effect ________ the earth is produced. A. in B. on C. from D. about

The burning of rubbish and ________ waste in open fires harms the environment. A. original B. productive C. organic D. non-renewable

(FLOOD) ________ rice fields also make it easier for soil bacteria to produce greenhouse gases.

There are some positive signs that farmers can meet the (ENVIRONMENT) ________ challenges.

________, such as climate change and land use, in the region are sometimes discussed by the countries’ leaders. A. Common behaviours B. Special events C. Serious damages D. Current issues

Talking to young volunteers was an/a ________ experience. A. eye-opening B. live-streamed C. eye-catching D. well-qualified