Cho tam giác ABC vuông tại A, đường cao AH. Đường phân giác \(\overgroup{ABC}\) cắt AC tại D và cắt AH tại E a) Chứng minh rằng ∆ABC ~ ∆HBA và AB2 = BC ∙ BH b) Gọi I là trung điểm của ED. Chứng minh rằng EI ∙ EB = EH ∙ EA

Rút gọn phân thức \(\frac{5x+10}{4x-88}\)

Write a paragraph (about 120-150 words) about topic: "Why should we learn English?"

My aunt Thuy (1)........... in Ha Dong. She works in a hospital in the centre of Ha Noi. Every morning, she catches a bus to her (2)........... . Her work is taking care (3)............ sick children. She loves the (4)............ . She always say (5)......... children are very lovely. Now she is doing her job with great pleasure. But next year she will go to Ho Chi Minh City with her husband . She is very unhappy.

Fill in each gaps:

The latest addiction to trap thousands of people is the Internet, which has been (61).........for broken relationships, job losses, financial ruin and even one suicide. Psychologists now recognize Internet Addiction Syndrome (IAS) (62) ......... a new illness that could cause serious problems and ruin many lives. Special help groups have been set up to (63) ......... suffers help and support. Psychologist have described many worrying examples, including one man who took his own life after (64) ... more than 14,000 pounds to feed his addiction, and a teenager who had to receive psychiatric treatment for his 12-hour-a-day (65).........."This illness is not fake, and it must be seriously," said an expert in behavioral addiction at Nottingham Trent University. "These are not sad people with serious personality defects; they are people who were fine (66) they found the Internet".

IAS is similar to other problems like gambling, smoking and drinking: addicts have dreams about the Internet, they need to use it first thing in the morning; they (67).........to their partner about how much time they spend online; they wish they could cut down, but are unable to do so. A recent study found that many users spend up to 40 hours a week on the Internet; (68) ......... they felt guilty, they became depressed if they were made to stop using it.

Almost anyone can be at risk. Some of the addicts are teenagers who are already hooked on computer games and who (69)......... it very difficult to resist the games on the Internet. Surprisingly, (70) ........ psychologists say that most victims are middle-aged housewives who have never used a computer before.

This is the third time I have been to Hanoi. (TWICE)

-> I have been to Hanoi twice before