Mark the letter A, B, C, or D to indicate the word(s) CLOSEST in meaning to the underlined word(s) in each of the following questions.

Question. These projects have proved to be very effective in dealing with global climate change, which was considered an insoluble problem in the first 30 years of this century.

Mark the letter A, B, C, or D to indicate the word(s) CLOSEST in meaning to the underlined word(s) in each of the following questions.

Question. If we have solar panels on our roofs, we'll be able to generate our own electricity.

Mark the letter A, B, C, or D to indicate the word(s) CLOSEST in meaning to the underlined word(s) in each of the following questions.

Question. Many city dwellers, especially those in developing countries, still live in poverty.

Mark the letter A, B, C, or D to indicate the word(s) CLOSEST in meaning to the underlined word(s) in each of the following questions.

Question. I believe the government will use advanced technology to build faster trains and make people's life more comfortable.

Mark the letter A, B, C, or D to indicate the word(s) CLOSEST in meaning to the underlined word(s) in each of the following questions.

Question. The urban planners are working for Eco Infrastructure Network, whose main function is to deal with urban environmental problems to make Super Star City greener, cleaner, and more sustainable.

Mark the letter A, B, C, or D to indicate the word(s) CLOSEST in meaning to the underlined word(s) in each of the following questions.

Question. Scientists hope that this new drug will be a major breakthrough in the fight against AIDS.

Mark the letter A, B, C, or D to indicate the word(s) CLOSEST in meaning to the underlined word(s) in each of the following questions.

Question. They design and carry out projects aiming to reduce fossil fuel consumption, find renewable fuels for public transport, and promote other clean air efforts

Mark the letter A, B, C, or D to indicate the word(s) CLOSEST in meaning to the underlined word(s) in each of the following questions.

Question. People who hold optimistic view believe that cities of the future will increase the general well-being of individuals and societies.