Mk cần gấp lắm!!! Mn giúp mk nhanh nhanh với nha

Chỉ được dùng thêm qỳ tím, phân biệt 4 dd Ba(OH)2, H2SO4, Na2SO4 và NaCl. Viết PTHH (nếu có)

điền từ thích hợp: BATS bats are very interesting animals. they live in caves or 1. in trees. they sleep........... the ay and only 2. wake up in........ evening 3. ........... it is dark, they fly out of their caves 4. and insects, which are their food. 5. some bats........ eat fruits in the jungle. 6. Most bats can't see very well but ............ have big ears and hear everything. 7. Many young and old people are afraid ....... bats 8. because they think they ....... al in their hair or on their face.......... bats are cleverer 10 ............ peoples think, an they fly very well and very fast. PHẦN TỪ ĐỂ ĐIỀN 1. during at until 2. one the some 3. already soon when 4 catch catches caught 5. so also to 6. they it you 7. for in of 8. do might should 9. but and if 10. that than then

Giải chi tiết giúp mình luôn ạ pls

Linh has played badminton since she was at school. => Linh started………………………………………………………….

ai giúp mình bài này với. nhớ có lời giải nhé. ai nhanh mình vote 5 sao.

A: rewrite the second sentence so that it has a similar meaning to the firt one 1:My house is taller than house Your house________________________________ 2: I love listening to music I like ______________________________________ 3The black dress is more expensive than the white one The white dress_____________________________________ 4We used the Internert many years ago The internert________________________________ 5No one in y group is more intelligent than Mary Mary___________________________________________ 6 He work much.He feels tired The more_______________________________________ 7Yesterday the temperature was nine degrees.Today it's only six It's_____________________________________________

cho ba so a,b,c khác 0 thỏa mãn : a+b+c=2020 và 1/a+1/b+1/c=1/2020 chứng minh rằng trong các số a,b,c có ít nhất một số bằg 2020

Create a paragraph (5 sentences) about your spending habits

Bài 1 : Chuyển các câu sau từ thì '' Hiện Tại Hoàn Thành '' thành sang thì '' Qúa Khứ Đơn '' sao cho nghĩa ko thay đổi 1. We have learned enghlish for 10 years 2. It has been a long time since we last met 3. Ms. Ann hasn''t taken part in any voluntary programs for 4 years 4. I haven't met my family since last Christmas Bài 2 : Sắp xếp các từ cho sẵn thành 1 câu hoàn chỉnh 1. many/went to/ volunteers/,/ Last year / the / and / flooded area/ free food/ people / gave / o 2. rebuild / helped / houses / They / trees / also / plant / and / people 3. people/ donated / generous / for / people/ Many / poor / money 4. I / joined / a student / ,/ was / When / charitable work / I / often/ in 5. my friends / used to / remote areas / travel / help / to / to / people there / I / with / 6. moutainous / for / areas / weeks / We / in / stayted / the 7. I / Now / do / still / charity / my / in hometown 8. a volunteer / was / a / experience / wonderful / Being