1. Trên TG, điện được SX từ những nguồn nào? Vì sao ở nhóm nước phát triển có sản lượng điện bình quân đầu người cao?

Công thức tính số nst cho quá trình nguyên phân và giảm phân?

help me pls Use the word given in capitals at the end of each line to form the word that fits in the gap in the same line. 1. Can you explain what types of ___________________ are available for international students? (FUND) 2. Are _________________________ students allowed to work part-time? (NATIONAL) 3. I'd like to consult you about the _______________ differences (that) I should be aware of. (CULTURE) 4. What __________________________ me most is the high cost of living in London as an international student. (WORRY) 5. One of the reasons for Vietnamese students' studying abroad is the quality of the _______________________ programmes in higher education. (ACADEMY) 6. Most of these students are interested in pursuing ___________________________ studies for bachelor's degrees. (GRADUATE) 7. Some students decide to study in the United States or the United Kingdom to improve their language __________________________, which can help them to get a better job. SKILLFUL 8. Some universities in the United States offer different _________________________ to international students to help to cover tuition fees and living costs. (SCHOOL) 9. The higher education __________________________ gained at UK universities and colleges are recognised worldwide. (QUALIFY) 10. Universities must better prepare students for their _________________ careers. (PROFESSION)

Tìm số tự nhiên có 3 chữ số sao cho tổng các chữ số là 17, chữ số hàng chục là 4. Nếu đổi chỗ 2 chữ số hàng trăm và hàng đơn vị thì số đó giảm đi 99 đơn vị

mọi người ơi giúp em câu 5 (4 điểm ) với câu 6 với ạ, Cho em cảm ơn!!. ( câu 5 đầu tiên á)

Tìm 1 số tự nhiên có 2 chữ số biết rằng tổng các chữ số của nó bằng 1/4. Nếu số đó viết theo thứ tự ngược lại thì được số mới hơn số đã cho là 18

Viết đoạn văn khoảng 10 câu cảm nhận về nhân vật anh trai của Kiều Phương truyện “Bức tranh của em gái tôi”.

Pronunciation 1 . A. think B. though C. Through D. birthday 2. A. find B. nice C. Library D. interesting 3. A. close B. borrow C. cold D. work 4. A. bear B. repair C. fear D. share 5. A. breathe B. tenth C. father D. these Choose the best option to complete each sentence. 1. He likes playing basketball___________it's so funny. A. because B. but C. so 2. “____________will be the winner in this sports competition?” – “I think Minh will be the winner.” A. Who B. What C. Which 3. He____________football with his classmates last week. A. plays B. played C. is going to play 4. She _______________as a news reporter since she ____________ from Brown University. A. has worked – graduated B. worked – graduated C. works – graduated 5. Nam is ________________ student in my class. A. the more intelligent B. more intelligent C. the most intelligent 6. It's snowy. _____________on your thick coat. A. Putting B. To put C. Put 7. It is the first time we ______________ the Eiffel Tower in Paris. A. visit B. visited C. have visited 8. I like watching TV, ______________I spend three hours a day watching my favourite programmes on TV. A. so B. but C. although 9. Please_______________up! We're late again. A. to hurry B. hurry C. hurries 10. Big Ben is ________________ tower and the bell is ___________ bell ever made in England. A. the famousest – the largest B. the most famous – the largest C. the more famous – the larger Reading Fill in the blank with NO MORE THAN THREE words from the passage. Children and Watching TV Television viewing influences children a lot. American children often spend from three to four hours a day watching TV. Some of them spend more time watching television than studying in the classroom. While television can entertain and inform our children of news and real knowledge, it may also influence them in bad ways. Time spent watching television takes away from their important activities such as reading books, playing outdoor sports, doing homework, having family gatherings and developing social skills.Children can also learn incorrect or inappropriate information from television. If children watch TV a lot, they may have lower grades at school, read fewer books and do less exercise or even be overweight. 1. Children in the U.S. often spend from  hours a day watching TV. 2. Television can  and provide information for children. 3. Watching TV can take time away from  activities for children. 4. Kids can learn incorrect and unsuitable  on TV. 5. Watching TV a lot may make students have  marks at school

Một hỗn hợp Y gồm Al và Fe. Cho 22g Y tác dụng với 2l dd HCl 0,3M thu được V lít H2(đktc) a) C/m: hh Y không tan hết.Tính thể tích H2 b) Cho 22g Y tác dụng với clo dư thu được m1 gam muối. Nếu cho 22g tác dụng với iot dư thu được m2 gam muối.Biết m2-m1=139,3g.Tính khối lượng mỗi kim loại trong 22g hh Y(Biết Fe+I2->FeI2)

Từ nào có 3n trong các từ sau : cán, sán, ban , tán