What are point source pollutants?
A. Industrial waste and pollutants from storm water
B. Pesticides, herbicides and the atmosphere
C. Sewage from households and factories.
D. Industrial waste, sewage, pesticides anh herbicides.
Giải bởi Vietjack
Đáp án đúng: D
Hướng dẫn giải:
Dựa vào câu: Water pollution can have many different causes. Factories dump industrial waste into lakes and rivers. Sewage from households is another cause. Farms using pesticides to kill insects and herbicides to kill weeds can also lead to water pollution. These factors cause ‘point source’ pollution while pollutants from storm water and the atmosphere result in ‘non-point source’ pollution.
(Ô nhiễm nước có thể do nhiều nguyên nhân khác nhau. Các nhà máy đổ chất thải công nghiệp ra sông hồ. Nước thải từ các hộ gia đình là một nguyên nhân khác. Các trang trại sử dụng thuốc trừ sâu để diệt côn trùng và thuốc diệt cỏ để diệt cỏ dại cũng có thể dẫn đến ô nhiễm nguồn nước. Những yếu tố này gây ra ô nhiễm "nguồn nhìn thấy" trong khi các chất ô nhiễm từ nước mưa và khí quyển dẫn đến ô nhiễm "nguồn không nhìn thấy".)
Dịch: Chất thải công nghiệp, nước thải, thuốc trừ sâu và thuốc diệt cỏ.
Read the following passage and choose A, B, C or D to fill in each blank.
Thomas Edison was one of the (3) ______ inventors of the world. He was responsible for more than one thousand (4) _____ including the electric light bulb and the record player. He also created the world’s first industrial research laboratory. Edison was born in 1847 in Ohio, USA. When he was 10 years old, he set up a small laboratory after he (5) _____ a science book his mother showed him. In 1869, he borrowed some money and began to make inventions. In 1876 he built a new laboratory so that he could spend all his time inventing. He planned to turn out minor inventions every ten days and “big trick” every six months. He developed many devices that brought great (6) _____ to people’s life. He once said that the value of an idea lay in the using of it. Edison died in 1931, after having a remarkably productive life.
“What are the essential conditions for human life?”
The teacher asked her students ______________________________________________Choose the word that is of the different topic (or part of speech) from the others.
Air _____, together with littering, is causing many problems in our cities today. (pollute)
Choose the word that is of the different topic (or part of speech) from the others.
People have sent food and medical supplies to the victims of the hurricane.
Food and medical supplies _________________________________________________Supply the correct form of the verbs in brackets.
_____ books in the future (be) _____ similar to the books we have today?
Write sentences with the cues given.
Nick said that/ he want/ stay/ Viet Nam longer.
“Reading books on science is one of my favorite daily activities.”
Nick said that ___________________________________________________________
