Cho tam giác ABC vuông tại A có AH là đường cao , đường trung tuyến AM . qua H kẻ đường thẳng song song với AB và AC ,lần lượt cắt AC ở P và AB ở D . DP cắt AH ở O và AM ở Q
a)chứng minh AH=DP
b) tam giác MAC là tam giác j ? Vì sao ?
C)chứng minh tam giác APQ vuông ở Q
Choose the best answer A, B, C or D to complete the sentences.
1. There are many why it is important to have a hobby.
A. answers B. reasons C. details D. facts
2. Will you making models in the future?
A. pick up B. look for C. take up D. find
3. Do you think that hobby is and boring?
A. easy B. difficult C. danger D. interesting
4. I love my sister’s paintings because she is very in using colours.
A. careless B. care C. creative D. imagine
5. A hobby helps you to connect with people.
A. other B. others C. another D. the other
6. I join a photography club, and all the members love a lot of beautiful photos.
A. take B. taking C. make D. making
7. What does your father do his free time?
A. in B. at C. on D. while
8. I think a hobby will always give you and help you .
A. pleased - relax B. pleasure - relaxed C. pleased - relaxing D. pleasure - relax
9. You can share your stamps other collectors a stamp club.
A. with - at B. to - at C. with - in D. to - in
10. I think this hobby does not cost you much, and you need is time.
A. most B. all C. some D. all of
11. Nowadays people hours sitting in front of computers.
A. take B. last C. set D. spend
12. I think you should take up swimming it is suitable for your health condition.
A. so B. because C. although D. but
13. My family enjoys because we can sell vegetables and flowers money.
A. garden - to B. gardening - for C. gardening - with D. garden - of
14. If your hobby is greeting card making, you can give your to your friends as presents.
A. hobby B. money C. greetings D. products
15. My sister’s hobby is sewing, and she can get the sewing patterns from the magazines.
A. fashion B. cooking C. sports D. science
16. My brother doesn’t like ice-skating because he thinks it is .
A. danger B. in danger C. dangerous D. endangered
17. My sister is very keen on swimming, and she goes swimming three a week.
A. time B. a time C. times D. timings
18. We often read the instructions carefully in order to make of the things we like best.
A. meanings B. models C. copies D. uses
19. You need to be to follow eggshell carving because it may take two weeks to complete one shell.
A. careful B. interested C. fit D. patient
20. If you choose sewing as your hobby, you will your own clothes.
A. do B. make C. take D. get