$\text{Câu 4:}$
$\text{Diện tích xung quanh của ngôi nhà là:}$
`(12+8)×2×4=160(m²)`
$\text{Diện tích trần nhà của ngôi nhà là:}$
`12×8=96(m²)`
$\text{Diện tích cần quét vôi là:}$
`160+96-10,5=245,5(m²)`
`Đ//s; 245,5m²`
Exercise 7: Choose the correct indefinite pronoun in brackets to fill in the blanks. Surprise party Last week was my sister’s birthday. I wanted to give her a present, but I couldn’t think of (1) _____ (anything/ everything) nice to give her. I asked (2) _____ (everyone/ no one) for suggestions but (3) _____ (everyone/ no one) had any ideas. Then my father said, “Why don’t we give your sister (4) _____ (anything/ something) she would really like? A surprise birthday party!” I knew she would love that. I sent out invitations to (5) _____ (someone/ everyone) in her class. My mother prepared (6) _____ (anything/ everything) to eat and drink. My father got some games ready. (7) _____ (Nothing/ Something) was forgotten. At first, my sister was sad on her birthday. She thought (8) _____ (no one/ everyone) had remembered it. At 3 o’clock, the doorbell rang. My sister went to answer the door. (9) _____ (Someone/ Everyone) we invited to the party was there. “Happy birthday!” they all shouted. (10) _____ (Everyone/ No one) was more surprised than my sister! Exercise 8: Choose the correct adverb in brackets to fill in the blanks. Learning to play an instrument Learning to play a musical instrument is difficult. It takes a lot of practice and time. You must choose your instrument (1) _____ (careful/ carefully). Children (2) _____ (often/ well) start with the recorder. It is small and can be carried (3) _____ (easily/ easy). It can be bought (4) _____ (cheap/ cheaply). You start by playing with a group and learning the notes (5) _____ (slowly/ slow). At first, you may (6) _____ (some/ sometimes) play badly but never lose heart. You must practice at least once a day. This way, you will learn (7) _____ (quickly/ quick) and very soon be able to play (8) _____ (good/ well). Parents (9) _____ (ever/ always) like to listen to their children playing. It is lovely to hear an orchestra play (10) _____ (beautiful/ beautifully). Exercise 9: Choose the correct adverb of place in brackets to fill in the blanks. The play Meg had an exciting day at school on Tuesday. When she arrived, she waited (1) _____ (outside/ inside) the main door until her friends came. Then, they went (2) _____ (outside/ inside) and walked (3) _____ (downstairs/ upstairs) to their classroom on the second floor. They went into their room and sat (4) _____ (up/ down) at their desks. “We have some special visitors,” said the teacher. “Let’s all go into the hall.” Everyone went (5) _____ (downstairs/ there) to the hall. “My class, sit (6) _____ (here/ there),” said the teacher pointing to the seats near her. Some actors came (7) _____ (in/ out) onto the stage. They performed a play which included singing and dancing. They asked for a boy and a girl to come (8) _____ (down/ up) onto the stage, and Meg was one of them. All the actors sang and danced, and Meg danced (9) _____ (around/ down) too. She went back (10) _____ (up/ down) to her seat, very happy. Exercise 10: Choose the correct form of the noun in brackets to fill in the blanks. On a plane My Uncle Jacob is a pilot. He works for a big airline company. The (1) _____ (companys/ company’s) planes fly all over the world, so (2) _____ (Uncle Jacobs/ Uncle Jacob’s) work is very interesting. He travels all over the world and meets very exciting people. He works with a large team of people who have different (3) _____ (job’s/ jobs). The (4) _____ (navigator’s/ navigator) job is to find the way. The (5) _____ (co-pilot/ co-pilot’s) job is to help fly the plane. On the flight, there are several (6) _____ (attendants/ attendants’) who help the passengers. They show them to their seats. They put the (7) _____ (passengers/ passengers’) luggage in the (8) _____ (lockers’/ lookers), and serve them food. They give young children games to play, which makes the (9) _____ (children’s/ childrens’) journey more interesting. As for the adults, there is a variety of movies to choose from. The flight (10) _____ (attendant’s/ attendants’) uniforms are very smart. They are proud to do their work.
mn ơi giúp em với :< e chưa hiểu rõ lắm mong mn giúp đỡ e. e cảm ơn ạ
Trong văn bản Đêm nay Bác không ngủ . Thể thơ năm chữ có tác dụng gì Thank
một máy biến áp giảm áp có U1=220V,U2=110 số vòng dây N1=460v vòng N2=230 vòng khi điện áp sơ cấp giảm, U1=160v, để giữ U2=110v không đổi, nếu số vòng dây N2 không đổi, nếu số vòng dây N2 không đổi thì phải điều chỉnh cho N1 bằng bao nhiêu?
Một quả dừa ở trên cây có độ cao cao 5 m rơi xuống mặt đất. Biết rằng, khi ở độ cao 5 m, quả dừa có cơ năng là 100 J. Hỏi, khi rơi xuống độ cao 2 m. Động năng của quả dừa bằng bao nhiêu?
Bài 15-16 nha mọi người giúp em với
Nguyên nhân dẫn đến sự hình thành thế lực họ Trịnh và họ nguyễn
Bài tập tự luyện Cầu 1: Hãy xét xem x = 2 có là nghiệm của mỗi bất phương trình sau hay không? а) (х — 3)? < (х -2)(х + 1) b) 3x + 2> 2x – 1 Câu 2: Tìm m để bất phương trình x(x + 2) + x+m>3 – 2x nhân x = 1 là nghiêm. Câu 3: Viết bằng kí hiệu tập hợp và biểu diễn tập nghiệm các bất phương trình sau trên truc số. а) х>-3/4 b) x <-11 c) x<0 d) x > V5 Câu 4: Các cặp bất phương trình sau đây có tương đương không? Vì sao? а) х >0 уаx - 32-3 b) x <0 và – x²<0 Cầu 5: Cho các bất phương trình: x – 3 0 có nghiêm dúng với mọi x b) – x? + x – 1>0 vô nghiêm. Câu 7: Tìm m để bất phương trình 25x? 10x + m – 201920 có nghiệm đúng với mọi x. Mong mn giúp ạ
Câu 3:Một cái thùng dạng hình hộp chữ nhật có chiều rộng 4dm, chiều cao 3,5dm và diện tích một đáy là 70dm2. Tính diện tích toàn phần của cái thùng đó.
In the match between Parkfield School and Greenport Football Club which took place at Greenport (47)_________Saturday , the Parkfield team beat Greenport by three goals to two . The last time the two (48) ________met, Greenport won by three goals to nil, so Parkfield were making a great (49) ________to win this game. In the first half of the game, Greenport (50) ________leading by two goals, and Parkfield’s position looked hopeless. However, Greenport made a number of (51) ______mistakes during the second half. This was after their star player, Brown, missed the ball, slipped and (52 _________heavily, injuring his left ankle. Parkfield then scored two lucky (53)________,and in the few minutes before the finish , Prescott shot the ball (54)__________the net for them, bringing the score to three goals to two Parkfield have (55)_________well this season . And their fans have good reason to be proud. Greenport too, have had good results up to now. Out of the last five games played, this is the first game they have (56)__________ 47.A. next B. every C. once D. last 48.A. dates B. teams C. fights D. events 49.A. effort B. chance C. journey D. competition 50.A. had B. were C. seemed D. made 51.A. careless B. many C. generous D. deep 52.A. kicked B. bent C. fell D. ran 53.A. goals B. players C. matches D. teams 54.A. up B. through C. into D. beneath 55.A. been B. lost C. made D. played 56.A. won B. beaten C. missed D. lost
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