viết chương trình dãy A gồm N số nguyên khác nhau và 1 số nguyên K cho biết vị trí phần tử có giá trị bằng K trong dãy ( nếu có )

1 Tìm giá trị lớn nhất nhất , nhỏ nhất của cá biểu thức sau
F= 2x^2- 6x
I) I= x-x^2
K) 2x- 2x^2 - %​

7. It is harvest time, so we help...................the rice onto buffalo- drawn cart.

A. herd B. load C. dry D. fly

8. Sometimes, I go.........................the buffaloes with the boys.

A. swimming B. riding C. driving D. herding

9. My grandfather has made me the largest, ..................colorful kite I’ve ever had

A. as B. more C. most D. the

10. I live more......................here

A. happy B. unhappy C. happily D. unhappily

11. Everything seems to move more.................here than in the city

A. slow B . slower C. slowly D. slowlier

12. We move two or three times a year to look........new pastures for our cattle

A. at B. in C. after D. for

13. The cattle provide most of our needs: ...........products, meat and clothing

A. daily B. days C. dairy D. yearly

14. We live in a................., our traditional circular tent.

A. ger B. town house C. apartment D. stilt house

IV. Give the correct form of the verbs below.

15. Buffaloes ( herd).............................on the grasslands by the nomadic children.

16. Yesterday, they came and (take).......................me to the paddy fields to fly kites.

17. The circular tent (keep)...................us cool in summer and warm in the winter.

18. Now, I (fly).........................a kite

VI. Give the correct form of the words below.

24. Children enjoy...................around the fields, shouting anf laughing happily. RUN

25. The............................have a very hard life. They can not live in a place for a long time. NOMADIC

26. The hill are..............................in spring when the wild flowers bloom. COLOR

27. My father drives.........................than my mom. CAREFUL

VII. Rewrite the sentences without changing the meaning

28. My children run faster than me.

=>I run............................................................

29. People in the city work harder than people in the countryside.

=>People in the countryside don’t work as.............................................................

30. Nam is a good cook.

=> Nam cooks..........................................................................

31. Lan is a fast runner.

=> Lan runs...............................................................................

32. We understand the lesson less than our friends.

=> Our friends understand....................................................

VIII. Fill in the blanks with the right prepositions:

33. I was born ____ April 4th.

34. What is he doing _____ this moment?

35. His mum is always proud ___ him.

36. The bus collected us ____ 5 o’clock.

Mark the letter A, B, C or D on your answer sheet to indicate the sentence that best combines each pair of sentences in the following questions.

Dad's car is very old. He can't afford to buy a new one.

A. Dad's car is very old, but he can't afford to buy a new one.

B. Dad's car is very old, so he can't afford to buy a new one.

C. Dad can't afford to buy a new one just as his car is very old.

D. Dad's car is very old, though he can't afford to buy a new one.

Một tấm bìa hình chữ nhật có chiều dài là 7 9 cm, chiều rộng là 3 5 cm. Tính nửa chu vi tấm bìa đó? (Tính theo cm)

Một người gặt lúa trên một thửa ruộng. Giờ thứ nhất người ấy gặt được  1 5 thửa ruộng, giờ thứ hai người ấy gặt được 10 15 thửa ruộng. Giờ thứ ba người ấy gặt được  2 25 thửa ruộng. Hỏi sau ba giờ gặt, người ấy đã gặt hết được thửa ruộng đó chưa?

Liệt kê các cặp số x, y, thỏa mãn

a)  x 2 = 4 y

b)  − 2 x = y 4

c)  x y = 2 5

d)  x 10 = y − 12