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PM
1
NH
3
DN
11 tháng 9 2016
1. Cho biểu thức:
A= (x+1/x2+4x+4 - x-1/x2-4)× x×2/3
a. RG A
b. Tính giá trị của A khi |2x-1|=3
c. Tìm giá trị nguyên của x để B=A(x-2) € Z
2. Đường sông từ A→B ngắn hơn đường bộ từ A→B là 10km. Đường đi từ A→B canô hết 3h20', ô tô đi hết 2h. Biết v canô < v ô tô 17km/h. Tính v canô.
3. Giải pt_bất pt:
a. x+3/x+1 + x+5/x =2
b. |2x-7|=4-3x
c. 2(4-2x)+5<=15-5x
d. 1+ x+1/3 > 3x-1/6 -2
4. Cho hv ABCD. Gọi E là 1 điểm € BC qua A kẻ Ax vuông góc với AE cắt CD tại F.
a. CMR:AE=AF
b. Tr.tuyến AI của ▲AEF cắt CD tại K. Qua E kẻ đt // AB cắt AI tại G. CMR: tứ giác EKFG là h.thoi.
c. CMR: AE2= FK.FC
d. CMR: khi E thay đổi trên BC thì P▲EKC ko đổi.
5. Cho a+b+c=1. CMR: a2+b2+c2>=1/3
NT
0
23 tháng 7 2023
a: PK=căn 4*9=6cm
MN=4+9=13cm
MP=căn MK*MN=2*căn 13(cm)
NP=căn 9*13=3căn 13(cm)
b: MN=8^2:64/17=17(cm)
NP=căn 17^2-8^2=15(cm)
PK=8*15/17=120/17(cm)
NK=PN^2/NM=225/17(cm)
CT
2 tháng 6 2019
trả lời
mik đag ôn thhi
muốn trao đổi bài thì kb qua face nha
hok tốt
T
1
1 tháng 6 2018
SỞ GIÁO DỤC VÀ ĐÀO TẠO BẮC GIANG ĐỀ CHÍNH THỨC (Đợt 2 - ngày 22/ 6/ 2008) | KỲ THI TUYỂN SINH VÀO LỚP 10 THPT NĂM HỌC 2008 – 2009 MÔN: TIẾNG ANH |
I. Cho dạng đúng của động từ trong ngoặc để hoàn thành các câu sau. (2 điểm)
1. She (not see) __________ her sister for three months.
2. She (ask) __________ me if I came from Vietnam.
3. Listen to these foreigners! What language __________ they (speak) __________?
4. We will stay at home if it (rain) __________.
II. Hãy chọn một từ thích hợp trong ngoặc để hoàn thành mỗi câu sau. (2 điểm)
1. She was really (impress, impressing, impressed, to impress) by the beauty of the city.
2. He was tired, (and, but, so, however) he took a rest before continuing his work.
3. She is very good (of, at, for, in) English.
4. We went on working (though, because, but, despite) it started to rain.
5. He suggests (doing, do, did, to do) morning exercises every day.
6. Neil Armstrong, (which, where, who, whose) walked on the moon, is an American.
7. The children felt (excited, excitement, excitedly, exciting) when Tet Festival was coming near.
8. You watching movies on TV, (didn't you, did you, do you, don't you)?
III. Cho dạng đúng của từ trong ngoặc để hoàn thành mỗi câu sau. (1 điểm)
1. The accident happened because he drove ____. (care)
2. We often take part in many ____ activities at school. (culture)
3. The Internet has helped students study more ____. (effective)
4. I bought an _____ book last Sunday. (interest)
IV. Em hãy đọc kỹ đoạn văn sau, rồi trả lời các câu hỏi bên dưới. (2 điểm)
Peter is my pen pal. He is 15 years old. He lives in a house in London. He has lived in London for ten years. He is an excellent student. He always works hard at school and gets good marks. He loves learning Vietnamese in his free time. He often praces writing letters in Vietnamese. Sometimes he helps me to correct my writing, and sometimes I help him to correct his spelling mistakes. Next summer, he is going to visit Ho Chi Minh City with his family. I’m looking forward to seeing him soon.
Questions:
1. How old is Peter?
2. How long has he lived in London?
3. What does he love doing in his free time?
4. He is going to visit Ho Chi Minh City next summer, isn't he?
Đề thi vào lớp 10 môn Tiếng Anh năm học 2016 - 2017 trường THPT Chuyên Nguyễn Huệ, Hà Nội
Đề 1
PART ONE: PHONES – GRAMMAR & VOCABULARY (55 pts)
I. Questions 1-5: Choose the word whose underlined part is pronounced differently from that of the others by circling A, B, C or D and write your answers into the box below. (5.0 pts)
1. A. drive B. drink C. sky D. ride
2. A. laughed B. decided C. started D. invented
3. A. crash B. handbag C. dangerous D. sandwich
4. A. born B. robber C. poli D. orange
5. A. hour B. honorable C. honest D. history
II. Questions 6-25: Circle the best option (A, B, C or D) to complete each of the following sentences and write your answers into the box below. (20 pts)
6. All the boys are good at cooking, but ______ is as good as the girls.
A. either B. neither C. every D. none
7. Instead of ______ about the good news, Peter seemed to be indifferent.
A. exciting B. being excited C. to excite D. to be excited
8. She nearly lost her own life ______ attempting to save the child from drowning.
A. at B. with C. in D. for
9. She was happy ______ a few of her friends sent her birthday cards.
A. although B. because C. while D. so
10. Daisy wrote ______ report on the Vietnam war.
A. ten - page B. a ten - page C. ten pages D. ten - pages
11. He does not know how to ______ the central heating so the room is cold.
A. stop B. shut C. operate D. hold
12. The ______ man kept on looking at his watch while he was waiting for the bus to arrive.
A. impatient B. smart C. lonely D. quiet
13. Some journalists were waiting for the ______ singer.
A. sensible B. rich C. powerful D. famous
14. Smoking is an ______ habit.
A. illegal B. ordinary C. unhealthy D. admirable
15. What a ______!.
A. new small nice house B. nice small new house
C. new nice house, that is small D. new nice and small house
LQ
14 tháng 6 2020
Đề thứ 2 nha bạn:))
1B 2A 3A 4B 5D 6A 7B 8C 9B 10B 11C 12A 13D 14C 15A
1 tháng 6 2018
Đề thi vào lớp 10 môn tiếng Anh TPHCM năm 2017
KÌ THI TUYỂN SINH LỚP 10 TRUNG HỌC PHỔ THÔNG
Khoá ngày 02 tháng 06 năm 2017 tại TP.HCM
Môn thi : ANH VĂN
Thời gian: 60 phút (không tính thời gian giao đề)
I. Choose the word/ phrase (A, B, C or D) that best fits the space in each sentence. (2.5 pts)
1. Are you very busy _________ Monday mornings? – No! I always have time for a cup of coffee
A.from B.to C.out D.on
2. London is also known _______ “The Square Mile” beacause its area is almost one square mile.
A.with B. of C.as D.for
3. She didn’t hear the dog barking outside beacause she _________ headphones.
A.wore B.was wearing C. wearing D. is wearing
4. That is Maryam, the girl ________ visited Lan and Nga last week.
A. who B. whom C. whose D. which
5. She felt a little bit cold, __________ she put on her coat.
A. or B. because C. so D. but
6. My Japanese pen pal, Yoko, speaks English very _______.
A. best B. excellent C. well D. good
7. I the new idea of those _____ spoons which can be eaten after use as it is made of good rice.
A. edible B. inedible C. poisonous D. wooden
8. One plas bottle recycled saves enough energy to run a 60-watt light ________ for 6 hours.
A. bulb B. standard C. electricity D. bill
9. David :”It’s terrible. I don’t think I will be able to pass the exam.” – Mary : “______”
A. Let’s try it B. Don’t worry. Everything will be all right.
C. Ok. What’s that? D. Why not pass it?
10. Sue : “You have read that arle on the website, haven’t you” – Peter : “_______”
A. Sure, thanks B- Not at all! Go ahead.
C. Not yet. Why? D. Yes, of course, I will.
II. Choose the underlined word or phrase (A, B, C or D) that needs correcting. (0,5 pt)
11. Don’t use so much fossil fuel although there will be nothing left for future generations.
A B C D
12. Recycling plass reduce the amount of oil needed for making new plass.
A B C D
III. Read the following letter. Decide if the statements from 13 to 16 are True or False and choose the correct answer (A, B, C or D) for the questions 17 and 18.
Today almost everyone walking down the street has at least one mobile phone in their pocket. That is because many mobile phones are upgraded every year around the world, and most people are interested in changing their old mobile phone for a new one. There has been an estimated number of 90 million unwanted mobile phones in the UK alone! This mountain weighs around 12,000 tonnes, but only about 5% of it is recycled. What makes us worried most is that mobile phones contain harmful chemicals which are released into the environment when phones begin to degrade and, in addition, large amounts of carbon dioxide are also produced during the manufacture of phones. It seems that the more modern mobile phones become, the worse our environment gets.
13. Mobile phones are modernized every year around the world.
14. Most people are keen on having a newer mobile phone.
15. About half of unwanted mobile phones in the UK are recycled.
16. Old mobile phones do no harm to the environment.
17. What is the passage mainly about?
A. The moderization of mobile phones is necessary.
B. There are more and more mobile phones in the world.
C. The modernization of mobile phones make the environment worse.
D. The manufacture of phones produces carbon dioxide.
18. Which of the following can be inferred from the passage?
A. Modern mobile phones are worse for the environment than the older ones.
B. Mobile phones are getting cheaper and more modern.
C. People in the UK are very concerned to recycle old mobile phones.
D. Used mobile phones can pollute the environment.
IV.Choose the word (A, B, C or D) that best fits the blank space in the following passage. (1,5pts)
In many Western countries, people (19)_______ Halloween on Octorber 31st. The word Halloween (20)________ from “All Hallows’ Eve”. It is the night before All Saints’ Day, a religious holiday in some parts of the world. On this night, children dress up in special costumes, put (21)________ masks, and go door to door saying “trick-or-treat” to get candy. Many people decorate their homes with paper ghosts, black cats or witches to give their houses a (22) _______ look. People also decorate their homes with jack-o-lanterns. They carve scary faces on pumpkins, and (23)_____ candles inside the pumpkins. In some places, both children and adults can make (24)______ of haunted houses. They all seem very excited about the festival.
19. A. celebrate B. reduce C. save D. exchange
20. A. gets B. goes C. comes D. reaches.
21. A. in B. off C. out D. on
22. A. bored B. relaxed C. careful D. scary
23. A. light B. to light C. lighting D. lighted
24. A. parts B. tours C. turns D. prizes
Chú ý: Thí sinh chỉ ghi mẫu tự A, B, C, hoặc D vào ô trả lời
VI. Use the correct tense or form of the verb given in each sentences. (1.0 pt)
25. My pen pal was really _______ by the beauty of Ha Long Bay. (impress)
26. Both competitors are ______ strong and fast. (surprise)
27. The company has made a new motorbike having very low fuel ____. (consume)
28. A large number of car accidents are caused by fast and _____driving. (care)
29. Could you send me details of courses for _______, who have never learnt English before. (begin)
30. Ba’s family and Liz had a very ________ day in the countryside last weekend. (enjoy)
VI. Rearrange the groups of words in a correct order to make complete sentences (0.5pt)
31. have lost their lives / Many people around the world / natural disasters / and homes because of / . /
32. The survival of / depends on each and / the natural world / every one of us /./
Thí sinh viết tiếp nhóm từ và dấu câu theo đúng trình tự vào phần trả lời để hình thành câu hoàn chỉnh.
VII. Rewrite each of the following sentences in another way so that it means almost the same as the sentence printed before it, (2.0pts)
33. He can’t drive because he’s very young
34. City life is not as peaceful as country life.
35. It’s not safe for kids to go hunting Pokemon on the street.
36. The boy hasn’t visited his grandparents for two months.
Vui nhỉ? Đang tuổi học hành thì yêu với đương.
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