Complete each sentence with an appropriate word. The first letter of each word is given. 1. The fish have died because the river water is heavily p________. 2. Health e________ from air pollution include lung cancer, and respiratory diseases. 3. Acid rain causes serious d________ to plants and trees. 4. If the air wasn’t dirty, Nick w________ sneeze so much. 5. The main gases that l________ to acid rain are sulfur dioxide and nitrogen dioxide. 6. There is a danger of serious contamination from radioactive w________.​ 7. Hundreds of d________ fish were found floating in the river near the factory. 8. U________ sewage can spread disease and contaminate drinking water sources.

III. Choose the best answer to complete the following sentences. 1.When people finish a postgraduate course, they can get a ____________. A. baccalaureate’s degree B. bachelor’s degree C. master’s degree D. doctorate 2. __________________ means education at a university or college. A. Higher education B. Futher education C. Primary Education D. Secondary education 3._______________ skills help us analyze a problem scientifically. A. Academic B. Vocational C. Analytical D. Practical 4.Jonathan ___________ in God since he was a child A. believed B. has believed C. has been believing D. have been believing 5. I ___________ the book, you can have it back A. has been reading B. have been reading C. have read D. reading

5 sao câu trả lời hay nhất cảm ơn

hai vòi nước cùng chảy vào một bể không có nước 4 giờ 48 phút thì đầy bể. Nếu mở vòi thứ nhất trong 3 giờ vòi thứ 2 trong 4 giờ thì được 3/4 bể nước. Hỏi mỗi vòi chảy một mình thì bao lâu mới đầy bể

Tính nhanh(nếu có thể) a) 29 + 140 + 71 b) 17.2016+2016.83 c) 7^5 : 7^3 – 343 : 7 d) {2^3.40-[95-(8-3)^2]}:5 e)5^6:5^4-2.3^2 f) 120-[127-( 6-3^3)]

Ai vẽ đc Tạ doãn công tử và Nguỵ Công tử trong cùng 1 bức.Viết lên tranh chữ BJYX để cm ko chép mạng.

BÀI 1 16/ The children are busy (collect) _________ shells on the beach. 17/ The teacher promised (help) _________ us (prepare) _________ for the examination. 18/ We regret (say) _________ that the lecture was dull and wasn’t worth (listen) _________ to. 19/ There’s no (deny) _________ that he enjoys (listen) _________ to his own voice. 20/ Is (boil) _________ or (fry) _________ the best way of (cook) _________ this fish ? 21/ It’s no use your (ask) _________ him (lend) _________ you any money. 22/ Can you manage(finish) _______ (write) ______ these reports by yourself ? 23/ He advised me( consider) _____ all the facts before (decide) _____ (accept) _____ the job. 24/ They refused (allow) _____ us (go) _____ in without (sign) ______ the book. 25/ My uncle used to (show) _________ me where (go) _________ and what (buy) ________. 26/ There’s nothing like (walk) _________ as a means of (keep) _________ fit. 27/ Your doctor advised (go) ____ to bed early, so I really can’t understand your (want) ____ (stay) ____up late. 28/ We considered (give) ____her a dress for her birthday, but couldn’t help (buy) _____her some flowers, too. 20/ Would you mind (keep) ______ quiet for a moment ? I’m trying (fill) _________ in a form. - It’s no use (ask) _____ children (keep) ____ quiet. They can’t help (make) _________ noise BÀI 2 Rewrite the following sentences 13/Please don’t interrupt me all the time. -Would you mind_______________________________________________? 14/I would like you to help me to put the chairs away? - Do you mind_________________________________________________? 15/I’m quite happy to look after the baby for you. -I don’t mind __________________________________________________ 16/ “ I haven’t done anything wrong,” Tom said. -Tom denied __________________________________________________ 17/The driver of the car said it was true that he didn’t have a licence -The driver of the car admitted_____________________________________ 18/I remember someone telling me the news. -I remember being_______________________________________________ 19/Are you sure you paid those bills yesterday? -Do you remember ______________________________________________? 20/Don’t forget that you have to do this homework. -Please remember ______________________________________________ 21/She really didn’t want to upset him so she kept quiet. -She was anxious to avoid _________________________________________ 22/Don’t ask so many questions. -Please stop ____________________________________________________ 23/I think we’ve discussed phrasal verbs enough now. -Let’s stop______________________________________________________ 24/He hasn’t smoked for 3 years. - He stopped___________________________________________________ 25/They haven’t played chess for a long time. -They stopped ___________________________________________________

Cho 4 điểm A (0;-5) , B (1;-2) , C (2;1) , D (2,5;2,5) , trên x sao cho 3 điểm A (x;14) , B (-5;20) , C (7;-16) thẳng hàng

Cau 2 va cau 3.....................!

Một bánh xe đạp trẻ em hình tròn có bán kính 28cm. a. Nếu bánh xe này quay được 250 vòng trên đường thì người đi xe đạp đã đi được bao nhiêu mét? b. Nếu người đi xe đạp đi được quãng đường dài 879,2m thì bánh xe đạp đó quay đường bao nhiêu vòng?