vì sao giao động điều hòa lại đi theo quỹ đạo thẳng, chẳng phải khi 1 cái xích đu đưa thì nó theo quỹ đạo nữa hình tròn mà nhỉ ???

About 75% of the world’s animals are insects. They (1) _________ on Earth for over 400 million years, long before humans appeared. Insects have changed a lot and adapted to new climates in order to survive. Today, there are about one million different species of insects, and scientists are (2) _________ new ones daily. Insects have (3) _________ sizes and body forms. Most of them are very small, but they can grow as large as 30 cm. Among (4) _________ most common insects are flies, beetles, butterflies, moths and wasps. Insects live in every region of the world. They can survive in any type of climate, from tropical rainforests to icy polar regions, as long as they can find food. They can live in places (5) _________ other animals cannot survive; some even live in underground caves.

Một hộp có tất cả 50 viên bi, trong đó có 10 viên bi màu đỏ. Hỏi số bi đỏ chiếm bao nhiêu phần trăm?

Hãy trình bày một đoạn văn về ý nghĩa của sự bền bỉ trong học tập?

Nhập lệnh thế nào để chỉ lấy họ trong cột họ lót ạ

tổ chức cách mạng tiêu biểu cho khuynh hướng dân chủ tư sản ở việt nam trước năm 1930 có tên là

1. They provided the Covid patients with free food and drinks. → The Covid patients _________________________________________________________ 2. “I am playing football in Holland now.” My brother, Hau said. →My brother, Hau ____________________________________________________________ 3. If it doesn’t rain, the children will go swimming. → Unless ___________________________________________________________________ 4. She last wore that dress at her sister’s wedding. → She hasn’t ________________________________________________________________ 5. My school is more wonderful than any other schools in the district. → My school ________________________________________________________________ 6. We couldn’t go out for the party because it rained heavily. → Because of ________________________________________________________________ 7. They are going to build a swimming pool in this area next month. →A swimming ……………………………………………………………………………..…… 8. “I can play the piano very well,” said Lan → Lan said that ……………………………………………………………………………….… 9. Put on your coat or you will freeze to death in this weather. → Unless you ……………………………………………………………………………….….. 10. Mr. Minh began teaching Chinese ten years ago. → Mr. Minh has ……….…………………………………………………………………………

Vẽ anime/chibi/... NL: Tuyển bae ~ Ai trong nhóm tui hẵng trả lời.

Cần gấp ạ :(( mn vẽ cả hình nha :))

19. Choose the word whose underlined part is pronounced differently from that of the others. A. congratulate B. presentation C. disappointed. D. frustrated 20. Choose the word which has a different stress pattern. A. emotion B. adolesence C. embarrassed. D. delighted 1. I can't decide where to go next summer vacation.(make) --> I haven't...............yet 2. We turn off the lights before going out in order that ....(Complete the sentence)