user-avatar
ngongocha514
2 năm trước
Giải phương trình: √ ($x^{2}$ -4) - $x^{2}$ +4 =0
Thích Trả lời Chia sẻ

Các câu hỏi liên quan

Câu 13 I ___________ up the kitchen. A cleaned B have just cleaned C have just clean D just have cleaned Câu 14 Read the passage carefully, and then choose the correct answers ( 27). In the future, people will build houses on the moon. The best place for houses in a moon town will be underground. Underground houses will be safe, and the temperatures will not be very high during daytime and not very low at night. Moon homes may be balloons with oxygen, and people will wear oxygen masks when they are away from home because the moon has no air around it. The house might have beds, tables, and chairs, so people will sleep, eat, and work in their home. Moon-house building will be easy. Which of the following is true? A The people on the moon will wear oxygen masks when they leave their homes. B The moon homes are very hot during daytime. C The people on the moon will not leave their homes. D The temperatures will be very high during daytime and very low at night. Câu 15 Read and choose the correct word (30). The Eiffel Tower is a very famous tower in (30) ______ , France. It was named after the (31) _______ who designed and built it, Alexandre Eiffel. The tower was built in 1889. Alexandre Eiffel was asked to build the tower when France decided to have a big fair to exhibit its goods and wares. The tower was to be located in (32) ______ of the fair as a special attraction. So, Eiffel designed the tower and soon began to build it, using iron beams and bolts. When the structure first started to take shape, the people of France (33) ______ it. They thought it looked like a giant skeleton and was not attractive at all. A New York B Tokyo C Hanoi D Paris Câu 16 Prague is _________ city I’ve ever seen. A most beautiful B beautifullest C the most beautiful D the beautifullest Câu 17 My mother cleans the house once a day. A How often do my mother clean the house? B How often do your mother clean the house? C How often does your mother clean the house? D How often does my mother cleans the house? Câu 18 ________ are the Olympic Games held? - Every four years. A How long B Where C When D How often Câu 19 Which sports does he play? A He is playing table tennis B He is going to play table tennis C He plays table tennis D Yes, he does Câu 20 Hoa go to school at 6.30 every morning. A at B go C to D every Câu 21 Find the word which has different sound in the part underlined. A laundry B water C laugh D draw Câu 22 Find the word which has different sound in the part underlined. A thank B father C healthy D thing Câu 23 I don’t go to the restaurant with a client yesterday. A a B go C with D don’t Câu 24 Read the passage carefully, and then choose the correct answers ( 29). In the future, people will build houses on the moon. The best place for houses in a moon town will be underground. Underground houses will be safe, and the temperatures will not be very high during daytime and not very low at night. Moon homes may be balloons with oxygen, and people will wear oxygen masks when they are away from home because the moon has no air around it. The house might have beds, tables, and chairs, so people will sleep, eat, and work in their home. Moon-house building will be easy. How comfortable are the houses on the moon? A They have furniture for people to sleep, eat, or work. B They have all kinds of furniture. C They have many balloons. D They don't have any furniture. Câu 25 Read the passage carefully, and then choose the correct answers (28). In the future, people will build houses on the moon. The best place for houses in a moon town will be underground. Underground houses will be safe, and the temperatures will not be very high during daytime and not very low at night. Moon homes may be balloons with oxygen, and people will wear oxygen masks when they are away from home because the moon has no air around it. The house might have beds, tables, and chairs, so people will sleep, eat, and work in their home. Moon-house building will be easy. Why do people need oxygen when they stay on the moon? A Because people sleep, eat, and work outside their houses. B Because the moon has no air. C Because the moon houses are full of air. D Because the moon is too large. Câu 26 Ms. Nicholson is the better teacher I’ve ever known. A ever B teacher C is D better Câu 27 Will robot ___________ after human health in the future? A watch B do C look D see Câu 28 He likes playing table tennis, __________ he can't play it. A but B so C or D and Câu 29 Find the word which has different sound in the part underlined. A potatoes B boxes C finishes D classes

2018 © Loga - Không Ngừng Sáng Tạo - Bùng Cháy Đam Mê
Loga Team