Choose the word whose main stress pattern is not the same as that of the others

Question 6.

A. procession                  B. politician

C. companion                  D. historian

Question 7.

A. participation                B. tradition

C. attention                      D. production

Question 8.

A. oblige                         B. belonging

C. minority                      D. virtual  

Question 9.

A. convenient                  B. anniversary

C. generation                   D. speciality

Những số nào chia hết cho 840

Phân chia đa thức sau thành nhanh tử : 2x+2y–x^2–xy

Chứng tỏ A chia hết cho 6 với A = 2+2^2+2^3+2^4+...+2^100

Điền vào trống

Đem 100kg lúa xay được 60 kg gạo. Hỏi khi xay 180 kg lúa thì được bao nhiêu kg gạo ?

Caring for infants and children who are at risk or have limited resources can have a lasting impact (17) ________ a child's development and is one of the (18) ________ rewarding placements available (19) ________volunteers. The children are (20) ________ to see new and smiling faces, and love games, songs, and rhymes that volunteers help to organize. Simply holding infants, sharing your affection, and providing (21) ________ attention is important to their future well-being. The staff appreciates the help with (22) ________ routines such as feeding and clothing the children and playing with them.

17.A. in B. on C. at D. for

18.A. best B. more C. most D. better

19.A. for B. to C. on D. of

20.A. unhappy B. sad C. bad D. delighted

21.A. individually B. individuality C. individual D. individualize

22.A. everyday B. date C. daily D. day

Kể tên 2 loài sâu bọ và tập tính của nó ?