Giúp mk nha!!!❤❤✌

Bài 1.Cho ΔABC cân tại A. O là giao các đg trung trực của tam giác. Trên tia đối của các tia AB và CA lấy theo thứ tự 2 điểm M và N sao cho AM=CN. CM:

a,\(\widehat{OAB}\) =\(\widehat{OCA}\)

b,ΔAOM= ΔCON

c,Gọi I là giao 2 đg trung trực OM và ON. CM: OY là tia phân giác của MON.

Giúp mik tí nha!!!Cảm ơn nha!!!

Every year students in many countries learn English. Some of these students are young people, other are teenagers. Many are adults. Some learn at school, others study by themselves. A few learn English just by hearing the language in films, on television, in the office or among their friends. But not many are lucky enough to do that. Most people must work hard to learn another language.
Many boys and girls learn English at school because it is one of their subjects. They study their own language, mathematics and English. In England, or America, or Australia, many boys and girl study their own language, which is English, and mathematics and another language, perhaps French, or German or Spanish.
Many adults learn English, because it is useful for their work. Teenagers often learn English for their higher studies, because some of their books are in English at the college or university. Other people learn English because they want to read newspapers or magazines in English.

1.According to the writer………………
A.only adults learn English.
B.no children like learning English.
C.English is useful only to teenagers.
D.English is popular in much of the word.

2.Many people learn English by…………

A. watching videos only.
B. hearing the language in the office.
C. talking with the film stars.
D. working hard on their lessons.
3.Many boys and girls learn English because …………..

A. English can give them a job.
B. it is in included in their study courses.
C. their parents make them.
D. they have to study their own language.
4.In America or Australia many school children study ………………
A. English as a foreign language.
B. English and mathematics only.
C. Such foreign language as French, German and Spanish.
D. Their own language and no foreign language.
5.Many adults learn English because ……………..
A. their work is useful.
B. they want to go abroad.
C. most of their books are in English.
D. it helps them in their work.

Cho \(\Delta ABC\) vuông tại A. Gọi M là trung điểm BC. Kẻ tia Mx\(\perp\)BC (Tia Mx và MA nằm khác phía với BC). Trên tia Mx lấy E sao cho ME=MB.

a,\(\Delta ABC\) là tam giác gì?

b,Gọi H và K là chân các đường vuông góc kẻ từ E đén các dường thẳng AB và AC.CM:nAE là tia phân giác của \(\widehat{A}\)

Vẽ hình giúp mk nha!!! Mơn nhìu lắm......

GIúp mk bài nay nha !!! Mình cảm ơn nhìu

III/ Cho d¹ng ®óng cña c¸c ®éng tõ sau råi diÒn vµo « tr«ng thÝch hîp.

Be / clean / come / do / fly / get up / give / listen / live / play / run /smoke / stay / Study / swim / teach / wash / watch / work / write

1, My father often likes ……………… to music every morning.

2, July likes ……………… to our house.

3, I like ……………… in the park in the mornings because it is very good for our health.

4, Tam doesn’t like ……………… the motorbike so I always do that.

5, Do you like ……………… in the sea?

6, She loves ……………… presents.

7, I hate ……………… letters.

8, Hoa loves ……………… the only child.

9, I hate ……………… as the smell of cigarettes is very terrible.

10, I don’t like ……………… so I travel everywhere by train or boat.

11, My friends and I love ……………… ball games on the beach.

12, I hate ……………… clothes and so all my clothes are dirty at the moment.

13, Hoang loves ……………… television after a long tired day at work

14, Everyone in my gamily hates ……………… on Monday morning as we often stay up late on Sunday evening.

15, Does Miss. Hoa like ……………… young children?

16, I don’t like the lessons at school but I like ……………… in the library.

17, Toan always hates ……………… his homework.

18, Linda doesn’t like ……………… in an office.

19, Huong and I enjoy ……………… in the countryside.

20, Mr. Huy really fancy ……………… in good hotels.