DON’T FORGET WE ARE MEETING ON ____ FRIDAY FOR _____ LUNCH.A. Ø / THE...

Câu 4: Don’t forget we are meeting on ____ Friday for _____ lunch.A. Ø / the B. the / a C. the / the D. a / theREADINGRead the passage and choose the correct answer(2Ps) tu cau 1 den cau 4.There are many sources of pollution in our modern world. At present, the most serious sources areacid rain and car exhaust fumes.Factory chimneys give out smoke that contains sulphur dioxides and nitrogen oxide. These gasescombine with the atmosphere to form sulphuric acid and nitric acid. When it rains, these acidsdissolve in the rain and make its acidic. Acid rain is believed to be the worst pollution problem ofall. It has harmed aquatic life by turning many lakes into lifeless bodies of water. In these areas,there is no limestone into acid lakes. However, it is not possible to do this on a large enough scaleto save all the lakes.Car exhaust fumes contain carbon monoxide and lead which are highly poisonous. In big cities,the exhaust fumes build up and pose a health hazard to human beings.