cac bn co the viet mot doan van tu 5-7 cau noi ve tet que huong emcac ban hay viet theo nung tu ngu cua hoc sinh lop 4 dung viet theo cac tu ngu cua cap 3 hoac vua ng lon nha

Giup thang em cua minh giai 8 cau nay oi mn khong can giai loi giai ghi dap an la dc roi. Xin cam on truoc

we will save thousands of trees if we............. paper A. wouldn't waste B. don't waste C. wasted D. didn't waste Noise pollution can lead to .............. loss A. looking B. hearing C. listening D. reading If I .............. a millionaire now, I .............. travel around the world. But in fact, I am very poor and have no money A. were/would B. am/will C. were/will D. am/would We would wear ............ when you go to concerts or other loud event to reduce the effect of noise pollution A. earphones B. earrings C. earplugs D. ear drops What is the main ............. of visual pollution ? - Because there are too many advertising billboards A. effect B. affect C. result D. cause Ships spill oil in oceans and rives. This results........... the death of many aquatic animals and plants A. to B. in C. from D. at The acid rain has caused ............... to the trees in this area A. damage B. advantage C. pollutant D. enviroment Households ............ waste into the river so it is polluted A. damage B. lead C. lose D. dump We have to pay a huge amount of money - there million dong for electricity a month................ we turn on the heater all the time A. because of B. due to C. although D. since Have you come................ solutions to this problem A. up to B. up with C. to with D. on to If we recycle more, we............ the Earth A. help B. would help C. will help D. helping If we ................ water carefully, more people will have fresh water A. will use B. using C. use D. would use

Qua cách viết của bài chiếu dời đô ta thấy vua Lý Công Uẩn hiện lên là người như thế nào?

dây là nguyên nhân gây ra tật cận thị

Xét tính liên tục của hàm số sau

Co2 có tác dụng với fe ,cu,nacl hay không

văn thơ chữ nôm của lê thánh tông được tập hợp lại trong tác phẩm

Write questions for the underlined part. 1. John went to Vietnam in 2000. 2. My mother is cooking in the kitchen at the moment. 3. Yes, she does. She likes playing table tennis. 4. It is very hot in summer. 5. My father is 60 kilos. 6. They stay in a hotel. 7. The ruler is 30 centimeters. 8. That is her pen. 9. It takes him 20 minutes to go to school by bike. 10. My phone number is 0912120040. 11. I received a letter from John last week. 12. Minh usually takes exercises after getting up. 13. I brush my teeth twice a day. 14. Nga has an appointment at 10:30 this morning. 15. She goes to bed at 9 p.m.

Khi nuôi cấy vi sinh vật trong môi trường dinh dưỡng bắt đầu từ 10 tế bào, cứ 20phút, vsv phân chia một lần a) Hãy tính số lượng tế bào sau 2h phân chia b) Tốc độ sinh trưởng của VSV trong 1h Giúp nhanh với