Nowadays, English is used in many country and recognized the main language. Each person has different way to study English. To study English well, I often do grammar exercises in grammar books anytime, listen to the program on the radio anhd E tapes to improve my listening and sometimes I also listen E songs and sing them. In addition, I always write E as much as possible and learn by heart all newwords anhd texts to be able to remember mỏe words. To improve my speaking, I speak E with my friends anywhere and anytime. Beside, I sometime watch E ( enghlish) program on TV, read short stories or newpapers in E, use a distionaty for reading to study English effectively.

Nowadays English has become an main language.English is used in almost all countrys.So learning English is an important assignment especially students.But how to learn English well is a question which most of students notice. we should learn english by ourselves . We can do grammar exercises in grammar books,write E as much as possible. It makes us revise our knowledge and improve our writing skill. We can wath E on TV , learn to sing E songs,read short stories or newpapers in E,listen to the programs on the radio and E tapes.It makes us improve our listening and reading skills.We should use a distionary for reading. It makes us save up newwords. The best important is that we usually practise by speaking with friends and learing by heart all newword and texts.

Phát biểu nào sau đây về tính chất của các đường sức điện là không đúng?

A. Tại một điểm trong điện tường ta có thể vẽ được một đường sức đi qua

B. Các đường sức là các đường cong không kín

C. Các đường sức không bao giờ cắt nhau

D. Các đường sức điện luôn xuất phát từ điện tích dương và kết thúc ở điện tích âm