Exercise 1: Mark the letter A, B, C or D on your answer sheet to indicate the correct answer to each of the following questions 1. During his the family lived in Cornwall. A. childB. childlikeC. childishD. childhood 2. How many were there in all? A. competeB. competitionsC. competitiveD.competitors 3. We won't buy the car until the arises. A. necessaryB. necessityC. necessarilyD. unnecessary 4. waste is one of the causes of air pollution. A. IndustriousB. IndustrialC. industryD.industrialization 5. Mount Vesurius is an volcano. A. actB. activeC. actionD. activity 6. He is confident enough to express his opinion A. comfortableB. comfortC. comfortablyD.uncomfortable 7. She is so busy with activities that she has no time forentertainment. A. societyB. socialC. sociableD. socialization 8. One day, young Faraday attended a lecture given by a scientist, Sir Humphry Davy. A. famousB. fameC. famouslyD. infamous 9. He has been very interested in doing research on since he was at high school. A. BiologyB. biologicalC. biologistD. biologically 10. You are old enough to take for what you have done. A. responsibleB. responsibilityC. responsiblyD.irresponsible
B1: Chứng minh các đẳng thức sau:
Calli : Nản NL : Khá nản r gia đình Dream Makers hơi tan r :(
cho tam giác ABC vuông tại A. Tia phân giác góc B cắt AC tại D trên cạnh BC lấy điểm E sao cho BE=AB. Chứng minh BC vuông góc DE
Cho phản ứng hoá học sau Na2SO4+XCl2—> XSO4+2NaCl X là nguyên tố hoá học nào A Fe. B Ba. C Mg. D Cu.
1It was only when I left home that I realized the importance of the family >It was not 2Tom’s gave him a laptop on his birthday >It was
Mai có nhiều hơn Đào 27000đồng. biết số tiền của Đào gấp 3 số tiền của MAI. hỏi mỗi bạn có bao nhiêu tiền?
so sánh:..........................
Có 30 chiếc bánh xếp đều vào 6 đĩa. Hỏi có 40 chiếc bánh thì xếp vào mấy đĩa như vậy? (Làm bằng cách 2)
Giúp mik vs ạ cần gấp hứa cho ctlhn
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