Bài 2 : rút gọn phân số A) 33/55. b) -56/72. C) 3.7/4.9. d ) 9.6+9.4/18

Câu 16. Cơm không thể thay thế được cho loại thực phẩm nào sao đây? A. Bánh ngọt. B. Sữa. C. Bún. D. Phở.

Trong các chất sau: đồng, thủy tinh, ruột bút chì, gỗ khô, nước nguyên chất, nước thường dùng, nước muối, cao su, không khí ở điều kiện bình thường, không khí ẩm ướt. Chất nào là chất dẫn điện? Chất nào là chất cách điện?

Viết một bài văn về “ Thiếu nhi Việt Nam thực hiện theo 5 điều Bác Hồ dạy”

Giúp hộ em vs mn ạ em sẽ cho 5sao ạ

Bài 1: (2đ) Hoàn thành các phương trình phản ứng sau : H2 + O2 à ? Na2O + H2O à ? K + H2O à ? + ? N2O5 + H2O à ? Bài 2: (2đ) Nhận biết các dung dịch bằng phương pháp hóa học NaOH; HCl; NaNO3 Na2SO4; KOH; HNO3 Bài 3 : (2đ) Viết các công thức bazơ tương ứng với các oxit sau : K2O, MgO Viết các công thức axit tương ứng với các oxit sau : N2O5, P2O5

V/ Read the text below and look carefully at each line. Some of the lines are correct, and some have a word which not should not be there. If a line is correct, put a tick (√); if a line has a word which should not be there, write the word in the space provided. The first two havew been done as an example. (1m) WHY AM I LEARNING ENGLISH? English is the most widely spoken language in the world 0…P… Today. It is a quite amazing how the use of English has 00…a.. become so widespread. The English is not as easy as Esperato 1……… which was especially written for to be as easy as possible 2………. for people to learn, and yet the Esperato is spoken by very 3………. few people around the world. For many people, English is not as 4………. more beautiful a language as French but it seems too late for 5………. French to cach up with English as an international language. 6……… German is the a useful language if you are in business 7……… in Europe but it is not half as easy to learn so as English, 8……… and people say it doesn’t sound as if pleasant as English. 9……… English has become so important that it is becoming the more 10……… and more essential to know it if you want to get a good job. SECTION C: READING COMPREHENSION (5MS) I/ Choose the most suitable answer A, B, C, or D to complete the following passage (1m). THE THREAT TO THE ENVIRONMENT Nowadays people are more and more aware that wildlife all over the world is in (1) _____ . Many (2) _____ of animals are threatened, and could easily become (3) _____ if we don’t make an effort to (4) _____ them. There are many reasons for this. In some cases, animals are (5) _____ for their fur or for other valuable parts of their bodies. Some birbs, (6) _____ as parrots, are caught (7) _____ , and sold as pets. For many animals and birds, the problem is that their habitat – the place where they live –is disappearing. More land is used for farms, for houses or industry and there are fewer open (8) _____ than there once were. Farmers use powerful chamicals to help them grow better crops but these chemicals pollute the environment and (9) _____ the wildlife. The most successful animals on earth – human beings – will soon be the only ones left, unless we can (10) _____ this problem. Your answers: 1 A. danger B. threat C. problem D. vanishing 2 A. marks B. more C. species D. forms . 3 A. disappeared B. vanished C. empty D. extinct 4 A. harm B. safe C. protect D. serve 5 A. hunted B. chased C. game D. extinct 6 A. like B. such C. or D. where 7 A. likely B. alive C. for life D. for living 8 A. spaces B. air C. up D. parts 9 A. spoil B. harm C. wound D. wrong 10 A. answer B. calculate C. solve D. explain

Giúp mình giải bài toán hình này nha các bạn

viết đoạn văn từ 8 đến 10 trình bày suy nghĩ của em về trách nhiệm của thế hẹ trên với quê hương đất nước đoạn văn có sử dụng thành phần trạng ngữ

Làm hộ em với ạ!! Tối nay em phải nộp rồi ạ☺