$-25-(x+5)=415+5(x-83)$
$⇔-25-x-5=415+5x-415 $
$⇔ -x-5x =415-415+25+5$
$⇔-6x=30$
$⇔ x=-5$
V. Rewrite: 61. People speak English all over the world. English …………………………………………………………………………………………………………………… 62. “ I will finish my homework tomorrow.” He said …………………………………………………………………….………………………………………………………… 63. Viet Nam is a country which exports a lot of rice. Viet Nam ………………………………………………………………….…………………………………………………… 64. She asked me, “ Is Ca Mau in the southern of Viet Nam?” She asked me……………………………………………………………………………………..……….………… 65. Mr Tommy has someone fix his car. Mr Tommy…………………………………………………………………………………….……………….………… 66. When he came, I was watching a soccer match. While ……………………………………………………………………………………………………………………… 67. Would you please give me a hand? Would you mind ……………………………………………………………………………………………………………… 68. Is it all right if a take a photograph? Would you mind ……………………………………………………………………………………………………………… 69. Hundreds of people visit the castle every year. The castle …………………………………………………………………………………………………………………… 70. Sue and Tom said, “We don’t like our new apartment” Sue and Tom said ……………………………………………………………………………………………………………… 71. We planted hundreds of trees every year. Hundreds of trees ……………………………………………………………………………………………………………… 72. “Do you see Peter around here?” she asked her friend Jack. She asked her friend Jack …………………………………………………………………………………………………… 73. They built this church in 1902. This church …………………………………………………………………………………………………………………… 74. I did my homework yesterday evening. My homework …………………………………………………………………………………………………………………… 75. Ann came here for the meeting with the director. Ann came here in order to …………………………………………………………………………………………………… 76. Can you open the window, please? Would you mind …………………………………………………………………………………………………………………… 77. May I turn on the TV? Do you mind …………………………………………………………………………………………………………………… 78. She said “ Are you at home now?” She asked me …………………………………………………………………………………………………………………… 79. My friend said “ I will have an English test tomorrow.” My friend told me ……………………………………………………………………………………………………………… 80. She said, “ I must stay at home tomorrow.” She said …………………………………………………………………………………………………………………… 81. Hoa asked Tim, “ Do you like this place?” Hoa asked Tim …………………………………………………………………………………………………………………… 82. “ Are you ready to go to Hue?” Phong asked Hoa Phong asked Hoa ……………………………………………………………………………………………………………… 83. “ Can people take pictures? Tam asked Hoa Tam asked Hoa …………………………………………………………………………………………………………………… 84. It is a contest in which paticipants have to make a fire. It’s a …………………………………………………………………………………………………………………… 85. Viet Nam is a country which exports a lot of rice. Viet Nam is a …………………………………………………………………………………………………………………… 86. This is a machine which is used to wash clothes. This is a …………………………………………………………………………………………………………………… 87. It is a festival in which people have their bulls fight against each other. It is a ……………………………………………………………………………………………………………………
Các bạn ơi giúp em làm câu này với ạ em cảm ơn
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III. Reading 1: Tet is a national and (49) …………………… festival in Viet Nam. It is an occasion for every Vietnamese to be reunited to think (50) ……………………… their past activities and (51) ……………………… for good luck (52) …………………… the year to come. Before Tet all houses are white washed and (53) ……………………… with yellow apricot flowers and colorful lanterns. Everybody is looking (54) ……………………… to a more favorable life. On the New Year Eve, children are smartly dressed. They are hoping to (55) ……………………… money put in small red (56)…………………… as they are wishing longevity to their grandparents and parents. Wrong doings should be absolutely avoided on these days. 49. A. traditional B. modern C. music D. summer 50. A. after B. for C. about D. to 51. A. want B. make C. do D. hope 52. A. in B. at C. on D. when 53. A. decorate B. decorates C. decorated D. decorating 54. A. at B. for C. after D. forward 55. A. send B. sell C. receive D. buy 56. A. envelopes B. bags C. should D. cases IV. Reading 2: Harvest Festival is in October. It is a very ancient festival but it is also a part of the Christian tradition. It supplies new crops and food. Children often bring fruit, vegetables and cereals into school. School usually gives the food to hospitals or to old people. In the past, people sometimes made traditional dolls out of corn. 57. There is a Harvest Festival in November ………………… 58. Harvest Festival is also a part of the Christian tradition. ………………… 59. Fruit, vegetables and cereals are brought into school by children. ………………… 60. School never gives the food to hospitals or to old people. …………………
cho 11,2g sắt cháy trong 5,6l khí oxi (đkc) a: lập pt b: tính m dư c: tính m sản phẩm d: để thu đc lượng oxi phản ứng trên thì khối lượng kclo3 đem phân hủy? 5 phút thôi nhanh lên hộ ạ
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