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2 năm trước
Environmentalists are earnestly trying to determine ............. of the ozone layer over the poles a. what is causing the deterioration b.what the cause of the deterioration c. is causing the deterioration d. the deterioration is causing GIẢI THÍCH CHI TIẾT GIÚP MK VỚI AK
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Read the following passage and mark the letter A, B, C or D on your answer sheet tochoose the option that is NOT TRUE. In the future, we will live in amazing new homes. Our houses will use the sun or the wind to make electricity. We won’t have cookers, dishwashers or washing machines. We will have robots to cook our dinner and wash our clothes. We will have robots to look after our children, and to feed our cats and dogs.We won’t use computers. We will have special remote control units. We can surf the Internet, send and receive e-mails and order food from the markets without getting out of bed.We won’t have TVs or CD players because we will have watches that play music, take pictures and tell time. Our cars might not use gas. They might use energy from air, water or plants. In the future the air won’t be polluted. Our world will be a great place to live in. 26. We won’t have _______________. A. cookers B. robots C. TVs D. computers 27. Robots will help us to _____________. A. cook our dinner B. surf the internet C. wash our clothes D. look after our children 28. We will have special remote control units to __________. A. surf the Internet B. send and receive emails C. order food from the markets D. feed the cats and dogs 29. Our watches might ___________________. A. make electricity B. play music C. take pictures D. tell time 30. Cars might use ___________________. A. energy from water B. energy from air C. energy from wind D. energy from plants Listen the text and mark the letter A, B, C or D on your answer sheet to indicate the correct word or phrase that best fits each of the sentences. 31. Linda’s dream house is a _________ near the coast. A. flat B. villa C. cottage D. palace 32. What kind of Linda’s garden? + _________________________________ . A. tree B. grass C. flowerD. fruit 33. Nick’s apartment is in the ____________. A. country B. village C. forest D. city 34. In front of Nick’s house, he wants to have a ________ view. A. nice park B. seaC. ocean D. tall trees

nhannh lên nhé mai phải lộp r Bài 1 : Tìm X a) 2X- |X+1| = 1/2 b)3X- |X + 15| = 5/4 Bài 2 : Rút gọn biểu thức P = 1/2 -1/2 (X : 1/6 -1/4)- 2|3 X - 2| khi : a) X lớn hơn hoặc bằng 2/3 b) X nhỏ hơn 2/3 Bài 3 : Rút gọn biểu thức R = 1 - 1/4 ( X : 1/10 - 15/4 )- 2|3 X - 4| khi : a) X lớn hơn hoặc bằng 4/3 b) X nhỏ hơn 4/3 Bài 4 : Rút gọn R = |hỗn số 1 1/5 - X | + |X - 1/5| - hỗn số 3 1/5 trong các trường hợp sau : a) X lớn hơn hoặc bằng hỗn số 1 1/5 b) X nhỏ hơn hoặc bằng 1/5 c) 1/5 nhỏ hơn X nhỏ hơn hỗn số 1 1/5 Bài 5: Cho biết a = 2,5 ; b=-6,7 ; c= 3,1 và d= - 0,3 . Hãy so sánh các hiệu sau : a) a-b và b-a b) b-d và d-b c) b- c và c- b nếu bn làm xong thử lại hộ mình mỗi bài 10 điểm

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