Xét tính chẵn lẻ của hàm số: y = sin^4 ( $\pi$ - x )

"with little or no other 'embryonic' development within the mother. This is the 'reproductive method' of most 'fish', 'amphibians', 'reptiles', 'birds', and the 'monotremes'." nghĩa là gì? (Ko dùng dịch)

* Fill in the blanks with since, for, ago, as, from: 1, His name is the same...........our teacher's 2, My brother has joined in the army....he graduated from the university 3, Her shoes are different.........mine 4, Famers have waited for rain..........many months 5, They left high school many years........ 6, Your cat has the same color.............hers 7, She's about the same age...........my sister 8, Her idea are completely different...........your * Viết tính từ trong ngoặc ở dạng so sánh đúng: 1, I like living in the countryside. It's (peaceful)..............than living in a town 2, It was (boring)...................speech I've ever heard 3, That's (delicious) .....................meal I've had for a long time 4, Jane is the (little)..........athletic of all the women 5, Can't you think of anything (intelligent).............to say? 6, It's (short).................day of the year 7, I prefer this chai to the other ones because it's (comfortable)................. 8, The weather is getting (bad)................

Câu 1.Các cơ xương ở lồng ngực đó phối hợp hoạt động với nhau ntn để làm tăng thể tích lồng ngực khi hít vào và làm giảm thể tích lồng ngực khi thở ra? Câu 2: Dung tích sống là gì ? Qúa trình luyện tập để tăng dung tích sống phụ thuộc vào yếu tố nào ? Dung tích phổi khi hít vào và thở ralúc bình thường cũng như khi gắng sức có thể phụ thuộc vào yếu tố nào

Đặt 1 câu có sử dụng phép liệt kê thể hiện hành động việc làm yêu nước của em.

" are animals that lay their 'eggs' " nghĩa là gì? (Ko dùng dịch)

this is a good student .giải thích giúp em câu này . tại sao sau a là tính từ good ạ ?

His name is Nam. He is a president of the stamp collector’s club. On Monday morning, he and his friends get together and talk about their stamps. If they have any new stamps they usually bring them to school. Nam’s American friend, Peter, gives him a lot of American stamps so he often brings them to his school to introduce them to his friends. 1. True/ false statements: 1. The stamp collector’s club meets each other on Monday afternoon. 2. Nam has a lot of American stamps. 1. Answer these questions: 3. What is his name? ............................................................................................................... 1. Who gives Nam American stamps? .................................................................................................................. 1. Is Nam the present of the collector’s club? .............................................................................................................

"Eggs of various animals (mainly birds)" nghĩa là gì? (Ko dùng dịch)

Choose True or False Vinh likes outdoor sports. He can play soccer, tennis and badminton. He enjoys swimming and jogging in the morning. He likes summer because he can go swimming every day. He doesn't like winter because it is very cold. He likes spring when there are a lot of flowers in the gardern, but he thinks fall is the best season because the weather is fine and people can play any sports they like. 1/Vinh can't play badminton. ...... 2/ He doesn't like jogging in the morning. ..... 3/ He goes swimming in the summer. ........... 4/ He thinks it's very cold in the spring. ........... 5/ It's very warm in the winter. ................... 6/ There are many trees in the spring .......... 7/ The fall season is the best of all. ......................... 8/ He likes three seasons in a year. ..........