Just three question and twenty point. Deal?

hãy thực hành đo lực bằng lực kế

Cho tam giác ABC vuông tại A có AB = 0,9m, BC = 1,2m. Tính các TSLG của góc B, từ đó suy ra các TSLG của góc C ..... toán lớp 9 ai giúp em với ak

giúp mk vs mk cảm ơn 2. Thomas Watson was Bell’s ………………………. . (assist) 3. Would you like (come)………………………to dinner tomorrow? 4. Where……… you (spend)………… your summer holiday last year, Tam? 5. He (have) ______________lots of friends soon. 6. Listen! Jane (play)_________________the piano. 7. We (visit) _____________Huong Pagoda next week. 8. Would you like (see) ______________ a movie? VI. Reading . 1. Read the passage and answer the questions You must put all chemicals and drugs in locked cupboards. Children may drink or eat these things because they look like soft drink or candy. You must not let children play in the kitchen. The kitchen is a dangerous place. You have to make sure children do not play with matches. Each year, fire destroys homes and injure children because someone plays with matches. Remember, it only takes one match to cause a fire. You must cover electrical sockets so that children do not try to put anything into them. Electricity can kill. You must to keep all dangerous objects out of children’s reach. These include knives, and small objects such as beads. 1/ Is the kitchen a dangerous place?  …………………………………………………………………………………….. 2/ Why must we cover electrical sockets? ……………………………………………………………………………………… 3/ What do the drugs look like ?  …………………………………………………………………………………….. 4/ Why mustn’t children play with matches ?  …………………………………………………………………………………….. 5/ What destroys homes and injures children every year ?  ……………………………………………………………………………………..

Question 1. The fire alarm went off when smoke rose. A. exploded B. rang C. shouted D. nursed Question 2. During his break, Mr Pike is used to drink tea with his fellow peasants. A. mechanics B. farmers C. workers D. doctors Question 3. I leave the house at a quarter past five and arrive in the field at exactly 5:20. A. 10 minutes B. 15 minutes C. 20 minutes D. 30 minutes Question 4. It takes me thirty minutes to prepare. A. get ready B. make easy C. keep clean D. be good Question 5. Ask and answer questions a bout your daily routine. A. action B. trip C. way D. habit Question 6. I felt quite ______ with my day's work. A. satisfaction B. satisfied C. satisfactory D. satisfy Question 7. I was late for school this morning because my alarm didn't ______. A. go away B. go on C. go off D. go up Question 8. What time do you ______ up? A. often get up B. get up often C. up often get D. often up get Question 9. It takes me 20 minutes to ________the buffalo to the field. A. bring B. take C. lead D. ride Question 10. My sister often goes to school _______ foot. A. on B. by C. with D. in Question 11. My father leaves my house ______ a quarter past seven and arrives ______ the office at exactly 8;30. A. at - in B. at - at C. in - at D. in - in Question 12. My uncle leads ______ to the field. A. monkey B. horse C. buffalo D. cow Question 13. It ________ me 15 minutes to get to school every morning. A. has taken B. takes C. took D. had taken Question 14. She got ______ as soon as the alarm clock went ______. A. over / on B. up / down C. up / off D. on / off Question 15. After a 45-minute period, the students have a five- minute _________. A. break B. refresh C. off D. out

Giúp mình với ạ IV. Fill in each blank with the appropriate form of the word in brackets: 1. One recent survey found that men’s in the home had increased almost threefold in the last four decades. (contribute) 2. A mother’s love can be as as breastfeeding. (benefit) 3. In the traditional Japanese family system, the entire estate of the family, and the assets are transferred from the father to the eldest son. (finance) 4. Mrs White spoke of her husband because he didn’t share anything with household chores. (criticize) 5. My aunt works hard to support her family because her husband died in a car accident a year ago. (enormous) 6. When we have some trouble in our family, we should have family meetings to work out a . (solve) 7. The husband is responsible for the family's economic well-being and takes pride in his role as a . (provide) 8. Parenting can offer children good opportunities for their future. (collaborate) 9. We do our share of housework willingly so that we can follow interests in our free time. (recreation) 10. Researchers found that an unequal of household chores negatively affected wives' marital . (divide – satisfy)

1/ Hãy liệt kê các phần tử mỗi tập hợp: a/ Tập hợp A các chữ của Tiếng Việt trong cụm từ “ THỚI SƠN” b/ Tập hợp B các số tự nh nhiên vừa lớn hơn 3 vừa nhỏ hơn 7. 2/ Viết tập hợp M các số chẳn nhỏ hơn 8. Các khẳng định nào sau đây là đúng, sai? a/ 2 ∈ M b/ 5 ∈ M c/ 8 ∉ M d/ 0 ∈ M 3/ Cho Tập hợp H các số tự nhiên lẻ vừa lớn hơn 4 vừa nhỏ hơn 10. Hãy viết tập hợp H bằng hai cách.

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