Lập phương trình đường thẳng đen ta trong trường hợp đen ta qua M(1;-3/4) vuông góc với đường thẳng đen ta phẩy x-3y + 12=0

B. Choose the word whose main stress is placed differently from that of the others 3. A. terrible B. ambition C. confident D. tolerant 4. A. unfair B. pretend C. trendy D. polite II. Choose the best answer: (2ms) 1. I really don’t like surfing the Internet. A. would rather B. prefer C. can’t stand D. would like 2. I’m _________________. I always want to know everything quickly. A. funny B. impatient C. grateful D. serious 3. I always spend an hour _____________ to English songs every day. A. listen B. listening C. to listen D. listened 4. She couldn’t sleep well because that bed was _____________. A. uncomfortable B. rude C. disloyal D. comfortable 5. John is addicted ___________ playing computer games A. to B. at C. for D. on 6. ___________ teenagers in the UK today play team sports? - Less than half of them. A. How often B. How much C. How many D. How long 7. Why don’t we play volleyball? A. Really? B. So do I. C. Me too. D. Sure, good idea. 8. Opposite of “mean” is …………… A. optimistic B. serious C. generous D. rude III. Reading: (3ms) A. Read the passage and choose the correct answer. (1m) THE LANGUAGE OF CLOTHES We don’t only choose clothes to make us look attractive. We also use them to tell the world (1) …………… our personality. The clothes we wear and our appearance as a whole give other people useful information about what we think and (2) …………….. we feel. If we feel cheerful, we usually wear (3) ………….. clothes and if we feel depressed we sometimes put on dark clothes. But why do teenagers wear black so frequently?. Is it because they feel miserable all the time ?. This is unlikely to be the case. It is probably just because it is (4) ……………… to wear black, and young people are real fans (5) ………………. fashion. 1. A. of B. with C. by D. about 2. A. which B. what C. how D. when 3. A. colorful B. colors C. colorfully D. colorless 4. A. fashion B. fashionable C. fashioner D. fashioned 5. A. of B. in C. from D. with

Tổng của tuổi anh và tuổi em là 23, Cách đây 4 năm tuổi của anh gấp đôi tuổi em . Tính tuổi của anh và em

tìm x : 53,2 : (x-3,5 ) +45,8 =99

Ex 12: Viết lại câu không thay đổi nghĩa 1) This is the first time he went abroad .=He hasn’t ……………………………………….. 2) She started driving 1 month ago. =She has ……………………………………………………………… 3) We began eating when it started to rain. =We have.…………………………………..... 4) I last had my hair cut when I left her. =I haven’t............................................................ 5) The last time she kissed me was 5 months ago = She hasn’t …………………………………..... 6) It is a long time since we last met. =We haven’t…………………………………………………………… 7) When did you have it ? =How long ………………………………………………………………….?.. 8) This is the first time I had such a delicious meal .= I haven’t…………………………………….. 9) I haven’t seen him for 8 days. = The last ………………………………………………….. 10) I haven’t taken a bath since Monday .= It is ………………………………………………. 11. I first started to play the guitar when I was 16 (since) =I have.............................................. ...........................I was 16 12. This is their first visit to the Greek island.(never) =They .................................................. .. the Greek island before. 13. This is not our first time at at a rock concert.(already) =We................................................ .........to a rock concert. 14. She arrived a few minutes ago.( just) =She............................................... ........arrived. 15. He came to live here two years ago. (For) =He.............................................two years. * More Exercise: . Circle the word that has the underlined part pronounced differently from others 1. A. played B. opened C. wanted D. stayed 2. A. naked B. cooked C. looked D. walked 3. A. the B. there C. think D. they 4. A. earth B. feather C. theater D. thanks

C/minh rằng nếu x bằng abcdeg chia hết cho 37 thì gabcde chia hết cho 37

Choose a word whose underlined part is pronounced differently from the rest 1. A, spring B, visit C, present D, usually 2. A, lot B, hot C, compose D, cottage Giúp mình với nha Cảm ơn nhiều

cau 1,2,4,6 phan trac nghiem vs bai 2 o pahn tu luan lam the nao v mn

Câu 1: đốt cháy 3,2g s trong bình chứa 11,2 lít khí o2 đktc.thể tích khí so2 thu được là: A.4,48 lít B.2,24 lít C.1,12 lít D.3,36 lít Câu 2: đốt 6,2g p vào dd chứa 0,3 mol khí oxi.khối lượng p2o5 thu được là : A.14,2g B.28,4g C.35,5g D.17,04g Câu3: sự oxi hóa chậm là: A.sự oxi hóa mà không tỏa nhiệt B.sự oxi hóa mà không phát sáng C.sự oxi tỏa nhiẹt mà không phát sáng D.sự tự bóc cháy

19,41 km vuông = ....................m vuông.