hai đường thảng ab và cd cắt nhau thại i tạo thành góc aic có số đo bằng 30 đọ . a) tính số đo góc bic ,b) tính số đo góc cib . c) viết tên các cặp góc bù nhau d) viết tên các cặp góc đối đỉnh

I. Read the text and mark the sentences as True (T) or False (F). (1.25 ms) KEEPING OUR TEETH HEALTHILY How can we keep our teeth healthy? First, we ought to visit our dentist twice a year. He can fill the small holes in our teeth before they destroy the teeth. He can examine our teeth to check that they are growing in the right way. Unfortunately, many people wait until they have toothache before they see a dentist. Secondly, we should brush our teeth with a toothbrush fluoride toothpaste at least twice a day – once after breakfast and once before we go to bed. We can also use wooden toothpicks to clean between our teeth after a meal. Thirdly, we should eat food that is good for our teeth and our body: milk, cheese, fish, brown bread, potatoes, red rice, raw vegetables and fresh fruit. Chocolate, sweets, biscuits and cakes are bad, especially when we eat them between meals. They are harmful because they stick to our teeth and cause decay. T/F 21. We should not visit our dentist regularly. 22. It’s possible to wait until we have toothache, then we see a dentist. 23. We ought to brush our teeth twice a day. 24. We should eat more fish, raw vegetables and fresh fruit. 25. People are advised to eat chocolate, sweets biscuits and cakes between meals.

1. We sometimes read/reads book 2 Emily go/ goes to the art club 3.It often rain / rains on sundays 4. Pete and his sister wash/ washes the family car 5.I always hurry/hurries to the bus stop 6.She speak/speaks four languages 7. Jane is a teacher.He teach/teaches english 8.Those shoes cost/ costs to much 9.My sister go/goes to the library once a week 10.We both listen/ listens to the radio in the morning

nhanh nhóoooooooooooooooooooooooooo

Mn giúp em vs ạ - kể lại tình huống bạo lựu học đường mà em đã từng gặp phải và cách sử lý tình huống của em lúc đó -Nếu không may gặp lại tình huống bạo lực học đường như trên thì em sẽ rút kinh nghiệm trong cách xử lý như thế nào cho hiệu quả

Phân tích tác dụng của biện pháp tu từ được sử dụng trong câu:Thay vì mãi oán trách số phận và than thở về cuộc đời hay người khác,hãy dành thời gian để làm những việc mà bạn yêu thích,ở bên những người mà bạn yêu quý và đi khám phá những vùng đất mới

chứng minh rằng 3/1!+2!+3! + 4/2!+3!+4! +...+100/98!+99!+100! <1/2

các caoo nhân giúp làm ddược bao nhiêu cũng được

cần gấp ạ ngắn nhé nhớ gt nhưng đừng quá chi tiết mà lâu nhanh nhé

Exercise 4. Cho dạng đúng của động từ trong ngoặc 1. If I (study) ___, I (pass) ___ the exams. 2. If the sun (shine) ___, we (walk) ___ into town. 3. If he (have) ___ a temperature, he (see) ___ the doctor. 4. If my friends (come) ___, I (be) ___ very happy. 5. If she (earn) ___ a lot of money, she (fly) ___ to New York. 6. If we (travel) ___ to Hanoi, we (visit) ___ the museums. 7. If you (wear) ____ sandals in the mountains, you (slip) on the rocks. 8. If Giang (forget) ___ her homework, the teacher (give) ___ her a low mark. 9. If they (go) ___ to the disco, they (listen) ___ to loud music. 10. If you (wait) ___ a minute, I (ask) ___ my parents. 11. If I (come) ____ home earlier, I (prepare) dinner. 12. If we (live) ___ in HCM city, my boyfriend (visit) ___ us. 13. If Tung and Thanh (be) ___ older, they (play) ___ in our football team. 14. If he (be) ___ my friend, I (invite) ___ him to my birthday party. 15. If Xuan (study) ___ harder, she (be) ___ better at school. 16. If they (have) ___enough money, they (buy) ___ a new car. 17. If you (do) ___ a paper round, you (earn) ___ a little extra money. 18. If Minh (get) ___ more pocket money, he (ask) ___ Lam out for dinner. 19. If we (win) ___ the lottery, we (fly) ___ to London.