Đáp án:Cân luôn luôn có 2 đĩa đúng hay sai
=> sai
Giải thích các bước giải:
vì cân chỉ có 6 đồ vật tạo lên cân đó là
+(1) Đòn cân
+(2) Kim cân
+(3) ốc điều chỉnh
+(4) đĩa cân
+(5) hộp quả cân
+(6) con mã
vì cân chỉ có 5đồ vật tạo lên cân và 1đĩa
ai giúp em với ạ hứa đánh giá 5*
Cảm nhận về 2 câu thơ cuối của bài thơ câu cá mùa thu của Nguyễn Khuyến
Tìm thêm 10 từ để kết hợp vs các từ sau: donte:....... help:...... clean:..... provide:..... Giups mik nha đang cần gấp.....
Hãy viết một đoạn văn NLXH (khoảng 200 chữ) trình bày suy nghĩ của anh/ chị về điều được nói đến trong hai câu thơ: “Quê hương nếu ai không nhớ Sẽ không lớn nỗi thành người”
Cho mạch điện như hình vẽ.Các điện trở R2=5Ω,R1=3R3.Vôn kế 1 chỉ 5V.Vôn kế 2 chỉ 15v.Tính giá trị của R1,R3 các bạn giúp mình với sắp nộp r😥
cuộc gặp gỡ của chú bé hồng với mẹ diễn ra bằng chi tiết nào
Giúp e vs ạ , e đang cần gấp , pls
Ai giải luôn giúp em bài này được không ạ .
PRACTICE: Write sentences. Say what the people are going to do Ex: I feel very tired. (take a day off) => I am going to take a day off. 1. My uncle has won some money. (buy a new car) =>They received a wedding present from their pen pal friend, Nick. (write a letter to thank him) 3. I’ll have an annual holiday next month. (visit Ha Long Bay) 4. My father has a bad cough. (stop smoking) 5. Linh is studying medicine. (be a doctor) 6. We have bought some bricks. (build a garage) => 7. The windows are dirty and Mai’ll be free this afternoon. (clean the windows) 8. Jane and Lan have decided to have a party. (invite lots of people) 2 Adverbs of place:/page 26 Outside( bên ngoài ) , inside(bên trong ), there, here, upstairs(tầng trên ), downstairs ( tầng dưới ) Exercises 2/page 26 a. upstairs b. ………c…………d…………..e………….f………… Choose the most suitable word or phrase to complete each of the following sentences: 1. Deaf-mute can ________ speak ________ hear. A. both – and B. not only – but also C. neither – nor D. either – or 2. Alexander Graham Bell was born ________ March 3, 1847. A.in B. on C. at D. duringThey ________ from Canada to America to find work. A. left B. immigrated C. came D. emigrate 4. Would you like ________ a message. A. to leave B. leave C. leaving D. left 5. She came ________ with a new idea for increasing sale. A. on B. up C. in D. over 6. You can use a(n) ________ to record messages when you are out. A. telephone directory B. mobile phone C. fax machine D. answering machine 7. Don’t come in. Please wait ________ for your turn. A. inside B. downstairs C. outside D. upstairs 8. I ________ a quick phone call. Can you wait for me? A. make B. am going to make C. will make D. made 9. The match was ________ live all over the world. A. traveled B. demonstrated C. transmitted D. arranged 10. You can see a lot of famous paintings in this ________. A. service B. invention C. demonstration D. exhibition II/Supply the correct word form : 1.I’ll make ___________________ for the meeting tonight. (arrange) 2. Ho Chi Minh City is an important ____________________ center. ( commerce) 3. Michael Faraday made a lot of ________________in the field of electricity. ( invent) 4. There was an ___________________of painting at the Art Gallery. ( exhibit) 5. This old man is __________________ in one ear. ( deafen) 6. Thomas Watson was Bell’s ________________________, wasn’t he? ( assist) 7.He was ___________________in demonstrating in his invention. (success) 8.Bell experimented with ways of transmitting ____________ over the long distance (speak) 9.Bell demonstrated his inventions at a lot of __________________ ( exhibit) 10. Telephone was _______________ by Alexander Bell in 1876 ( inventor) III. Fill in the blanks with a suitable preposition: 1. The post office is not far ________ my house. 2. Let’s meet ________ the City Theater ________ 7 o’clock. 3.She was born ________ May 16th, 2001 ________ England. 4. He worked ________ deaf-mutes ________ Boston University. 5.Mrs. Lien said you could reach her ________ 8603 423. 6. Snow is falling all ________ the country. 7. The secretary took a massage ________ her boss. He emigrated ________ Canada ________ 1870s. IV/ Rewrite the following sentences without changing their meanings: 1.Peter is not old . He can’t see the horror film. → Peter is not ____________________________________ 2. The theater is very far . We can’t go to on time → The theater isn’t_____________________________ 3.Alexander G. Bell invented the telephone. → Alexander was _______________________________ 4.Hien's friend invited her to his birthday party. => She___________________________. birthday present. 5.Her sister is old. She can drive a car. → Her sister is ______________________________________
Làm thế nào để phân biệt kiểu gen AB/ab và Ab/aB
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