Mn giúp mik vs mai mik lm bài kt r

cho góc tới hợp với gương G 60 độ tính góc phản xạ ?

tìm các giá trị nguyên của x để giá trị của 2/x^2 +1 là một số nguyên mn giúp em với ạ

Chuyển về câu bị động e cần gấp ạ

1. The ______ is the place where food is stored in the body. 2. The ______ pumps blood through the vessels to bring oxygen to all parts of the body. 3. The ______ leads the controlling of the body. 4. The ______ support the body and protect the organs. 5. The ______ takes in oxygen and releases carbon dioxide.

V. Rewrite the following sentences without changing their original meanings. 1.I have no idea when I should take that English test. TO → I have ........................................................................................ 2.“ Do you try calling a helpline?” the teacher asked Ngoc. IF → The teacher asked Ngoc …………………………………………………… 3. His parents raised him very strictly. UP → His parents …………………………………………………………………. 4.“Should I tell this to her?” he asked himself. WHETHER → He wondered ……………………………………………………………… 5. It’s the first time Mary has gone to Viet Nam. BEFORE -> Mary has ………………………………………

câu 4: vị trí tiếp giáp với biển nên nước ta có: A.nền nhiệt cao chan hòa ánh nắng B.khí hậu phân thành 2 mùa rõ rệt C.thảm thực vật xanh tốt giàu sức sống D.thiên nhiên có sự phân hóa đa dạng câu 5: theo chiều Bắc - Nam, chủ quyền lãnh thổ nước ta kéo dài khoảng: A.15 vĩ độ B.15,5 vĩ độ C.16,55 vĩ độ D.18 vĩ độ câu 6: trong những địa điểm sau ở nước ta, địa điểm nào có thời gian Mặt Trời lên thiên đỉnh lần 1 và lần 2 trong năm xa nhau nhất: A.Đà Nẵng B.Hà Nội C.Biên Hòa D.Nha Trang

Bài 14: Khoanh tròng vào đáp án đúng: Benefits of living in the countryside. While many people prefer city life, a lot of people want to send their life in a rural area. The countryside are often(1) _________than the city because there are not as many factories and traffic as in big cities. The country folk can be (2) _________and they often live(3) _________than city dwellers. Besides, life in the countryside is(4) _________and peaceful because the crime rate is much(5) _________. The rural areas are(6) _________populated than the urban area but the neighbors are(7) _________and more helpful. Life in the countryside is(8) _________for old people than the energetic youngsters. 1.A.less polluted B.more polluted C.less pollutedly D.more pollutedly 2.A.more healthy B.healthier C.more healthily D.helthily. 3.A.longly B.longer C.shortly D.shorter 4.A.more simple B.simpler C.simply D.more simply 5.A.higher B.highly C.lower D.lowly 6.A.more densely B.more dense C.less D.less dense 7.A.more friendly B.friendlier C.friendly D.less friendly 8.A.more suitable B.more suitbly C.less suitably D.suitably.

Tại sao dây điện truyền ở các cột cao thế ngoài trời không đc bọc vỏ cách điện. Tìm hiểu vật liệu của dây đó. Nêu điện trở của dây dẫn đó khác j so vs dây dẫn sử dụng trong gia đình Giúp tớ vớii

Bai15: Đọc đoạn văn sau và trả lời câu hỏi: The nomadic life of Mongolian Mongolian people nowadays still maintain their tradition of a nomadic life. About half of Mongolian population do not settle down but travel from place to place every season. When you think of Mongolian nomads, you think of animal farmers. Their most valuable possessions are their tents and cattle. Mongolian has severe weather. There are dramatic changed in weather condotions between seasons. That is the reason why Mongolian have to move location throughout the year to the most appropriate spots. In winter, they often move in front of a mountain for shelter. In spring, it’s closer to a river, in summer right next to a river for water supply, and in autumn up a hill to collect hay for wintertime. Most nomads move at least four times a year but some might move up to 30 times in a year, especially if they have a lot of animals that eat through the vaibable food quickly. The number of namads has, however, significantly decreased over last years. More and more of its citizens move to Ulaanbaatar because they want to look for an education and a professional job.Mongolia is in a period of rapid change. 1. Is it true that about 50% of Mongolian population still lead a nomadic life? _____________________________________________________________________________ 2. What are the most valuable possessions of Mongolian nomads? _____________________________________________________________________________ 3.Why do Mongolian have to move location throughout the year? _____________________________________________________________________________ 4.Where do Mongolian nomads often move to in fall? _____________________________________________________________________________ 5.How often most nomads move their locations? _____________________________________________________________________________ 6. Why more and more Mongolian move to Ulaanbaatar?