Read the following passage and mark the letter A, B, C, or D on your answer sheet to indicate the correct word or phrase that best fits each of the numbered blanks from 23 to 27
The warming ot the Earth is caused by exhaust gas from automobile engines, factories and power (23) ________. Carbon dioxide goes up into the atmosphere, and it form a kind of screen that keeps or allows the sunshine in but stop the Earth heat (24) _______ getting out. It works like a greenhouse, that’s why we call (25) ________ the Green House effect.
Because ot this effect, the Earth is getting warmer alt the time. This (26) ________ in temperature will cause big changes to the world’s climate. The sea level will increase as the ice (27) _______ the poles will melt.
Điền ô 23