mô cơ tim ; tạo nên thành tim mô cơ trơn; tạo nên nội quan vậy mô cơ vân ...................?????

Thầy giáo phân công 15 học sinh thành 3 nhóm: nhóm 1, nhóm 2, nhóm 3 (mỗi nhóm 5 học sinh) đi làm hoạt động từ thiện ở 3 mái ấm tình thương khác nhau. Hỏi có bao nhiêu cách phân công.

Cho Tam giác đều NSL có cạnh SN=6,tính độ dài của tam giác đó

Giúp Em Với ________ given a new bike on my birthday. am is are Two poems __________ typed in the morning. is am are My family (have) __________ a holiday in December every year. having has had have ________ your best friend (write) _________ to you every week? Do - write Do - writes Does - write Does - writes Mike (be) ______ humour. His funny stories (make) _______ laugh. am - make is - make are - make are - makes The final exam ________ too long to complete in 45 minutes. am is are The children (not get) ____________ up early on Sundays. not get doesn't get don't get don't gets The windows _________ painted by my father. am is are The flight (start) ___________ at 6 a.m every Thursday. start starts is start is starts Maths and English _______ my favourite subjects. am is are Jane always (take) ________________ care of her sister. take takes taking took Tiffany and Uma (be) _____________ my friends. be is am are The victims ________ provided with food and clothing. am is are She often ________ the groceries at the supermarket near her house. shop shops shopes I (bake) _______________ cookies twice a month. bake bakes baked baking I like Math and she (like) ___________ Literature. 1 điểm like likes liked has liked English ________ really difficult to study. isn't aren't am not doesn't The father ________ at home with his sons. am is are The house ______ cleaned every day. is am are John (go) ________ swimming twice a week. His parents (want) ________ him to be stronger. go - want goes - wants go - wants goes - want

Mọi người giúp em làm 2 bài này với ạ

Cho hình vẽ dưới đây với a//b và C1 - C2 = 40o. Tính D1 và D2

III. Choose the suitable words or phrases for the banks. 1. My brother likes __________________English in the morning. A. learning B. to learn C. learn D. learned 2. Phong has done some__________________ work to help the community. A. donate B. volunteer C. benefit D. voluntarily 3.Don’t read in bed, _______ you’ll harm your eyes. A. or B. and C. but D . so 4. It's good to__________________ blood because you can save people's lives. A. help B. use C. donate D. collect 5. They_____ the beach one week ago. A. cleaned B. clean C. cleaning D. to clean 6.I _________playing board games interesting because I can play them with my friends. A. think B. find C. say D. tell 7. The Japanese eat a lot of food, _________they live longer. A. so B. because C. but D. although 8.What does your father do ______________his free time? A. in B. at C. on D. of

mọi người làm gấp giúp em với ạ, hứa cho 5 sao và câu trl hay nhất ạ

Bằng phương pháp cho hỗn hợp vào nước, sau đó khuấy kỹ và lọc thì có thể tách riêng được các chất thành phần trong những hỗn hợp nào dưới đây A. Đường và Muối B. Giấm và rượu C. Bột than và mạt sắt D. Cát và muối ăn

giúp mik vs mn mik cảm ơn mn nhiều