1.Read the following pasage and then choose the best option to fill in each gap. (1.0point) Much of our waste, especially waste and smoke (1) from.......... electric-powered stations, the chemical industry and heavy industry, is very dangerous (2)......... die in the lakes, rivers and seas; forest trees die, too. Much of this dangerous waste goes into the (3)...... by the wind. The Earth is our home. We should take care of it, for ourselves, and for our children and grandchildren. This means we have to keep our (4)........... green and clean. The importance of this task is pinned out by ecologists- thể scientists should study the relations between living things and the environment. However, each of us must đó everything to keep the land, air water clean. 1.a.houses. B.schools. C.factories. D.restaurant. 2.a.plant. B.fish. C.soil. D.Tree 3.a.air. B.river. C.soil. d.water. 4. A. House. B. Street. C. Environment. D. Air.

một hình chữ nhật có chu vi bàng 320m . nếu tăng chiều dài 10m, tăng chiều rộng 20m thì diện tích tăng 2700m2 . tính mỗi chiều

cho 11,2 gam kali vào cốc đựng 200ml dd cuso4 1m.sau pư lọc bỏ kết tủa. thổi khí h2s vào phần dung dịch thu đc kết tủa d .tính số gam của d

tìm m để (2m+1)/(m^2+1) đạt gtln

Ai vẽ hộ mik 1 cái avatar về 1 cậu bé cáo siêu ngầu với Nhớ là ngầu nhưng đơn giản nha!!!

Tại Sao Nói Ngày 2-9-1945 Mãi Mãi Đi Vào Lịch Sử Việt Nam?Là 1 Trông Nhưng Ngày Hội Lớn Nhất Vẽ Vang Của Dân Tộc

Cho tui xin cái cách trình bày đi Ra kết quả rồi

II. Give the correct forms of the verbs in brackets (1 points) 1. When the students (hear)............. the bell, they got up and left. 2. Minh (live).................. in Rach Gia city since 2010. 3. A: I don't know how to use this camera. B: It's quiet easy. I (show)..................you. 4. A: Why are you turn on the television? B: I (watch)................ the love story film.

I. Writer the correct form of verbs in the blankets? 1.Lily (live in)...... the North of England 2. .......you(do your homework)......yesterday ? Yes , I did. 3.What.... you(do) ........last weekend ? I(stay at home and do some chore) 4.I(not walk to school)....... last Monday 5.My father(work on a farm ).... yesterday 6.They(buy a lot of coke)......for his birthday last Tuesday 7.She(put her homework).......in the backpack 8.My sister(go to sleep)......at 10pm last night 9.He(read his comic book).....during the breaktime 10.They(not do their homework)..........before going to school last Friday giúp mềnh với :vv

Ex1 : điền vào chỗ chấmThe 10 most expensive cities in the world have been named . The 3 that are at the top of the list are Singapore , Zurich and Hong Kong . If you decide on(1)................... them , be warned . These are the places (2).................. people pay the most for basic necessities , not just luxuries . There are various reasons why a city can be expensive . One is that the average salary is high . When that's the case , everything else costs more too . So even if someone(3)................. a good living ,the have to spend more to get what they need . While the Swiss , for example , may be(4).................. to their high prices , visitors are not . Tourists hoping to get a barhainon a Swiss watch or a cuckoo clock are likely to be disappointed , even if they shop around are compare prices . Travellers don't(5)................... make expensive purchases , of course , but a holiday isn't much fun when you can go bankrupt essentials like bus tickets , restaurant meals and museurm entry fees .