1.Vẽ sơ đồ nguyên lý và sơ đồ lắp đặt 2 mạch điện sau : 1) Mạch điện hai công tắc hai cực điều khiển hai đèn 2) Mạch điện hai công tắc ba cực điều khiển một đèn 2. Nêu các bước lắp đặt: Mạch điện hai công tắc hai cực điều khiển hai đèn Và Mạch điện hai công tắc ba cực điều khiển một đèn

a. to have b. for having c. have d.so to 95. Who did you talk.............................on the phone ? a. to b. out c. on d. from 96. We went on.............................journey. a. an eighty-kilometer b. an eighty-kilometers c. eighty-kilometers d. a eight- kilomiter 97. We call his.............................uncle. a. O b. is c. to be d. are 98. Jane bought.............................a cap yesterday. a. for me b. to me c. me d. with 99. He spends an hour.............................every day. a. to watch TV b. watch TV c. watching TV. d. watch TV 100. I.............................tea to coffee when I was young. a. prefer b. prefered c. to prefer. d.likes 101. How............... is it from your house to school? a. long b. far c. much d. many 102. What ................ expensive dress ! a. an b. a c. the d. one 103. Would you like ................ to my house for lunch? a. come b. comes c. to come d. coming 104. Peter’s uncle ................. to Hue next month. a. travel b. traveling c. to travel d. will travel 105. My younger sister ...........ten on her next birthday . a. will be b. is c. will d. be 106. What awful restaurant! a. an b. a c. one d. the 107. We ……….. English at the moment. a. are learn b. learn c. learning d. are learning 108. This dress is the expensive of the four dresses. a. best b. more c. most d. the most 109. is it from here to school? a. How long b. How high c.How far d. How 110. What about …………… games? a. play b. playing c. to play d. to playing 111. He writes articles for a newspaper. He is a . a. journalist b. teacher c. doctor d. musician 112. Minh____________ television every night. a. watchs b. watches c. watching d. to watch

viết 1 đoạn văn ngắn tình bày suy nghĩ của em về niềm tin của tuổi trẻ vào chính mình được gơi ra từ đoạn trích ở phần đc hiểu

Hãy nêu đặc điểm kiến trúc về mĩ thuật thời nhà nguyễn

Nung nóng nhẹ hỗn hợp hidro clo cho tới khi phản ứng xảy ra hoàn toàn thu được hỗn hợp khí X có tỉ khối hơi so với H2 là 15. Thành phần hỗn hợp X là :

76.Nam’s sister can play ……………guitar. a. a b. an c. 0 d.the 77.Tuan always walks the dog and …………… . a. Nam is, too b. is Nam,too c. So does Nam d. a & c are correct 78.The doctor usually takes care……….the sick. a.in b. of c.from d. for 79.I have ……….days off than her. a.the little b. littler c.less d.much 80.She ………………feed the chicken right now a. will b. does c.be d. is 81. I drink . . . . . coffee than you. a. little b. less c. few d. fewer. 82. . . . . . terrible weather! a. What b. How c. What a d. When. 83. What do you often have . . . . . dinner? a. in b. at c. on d. for. 84. We learn . . . . . to play the guitar. a. what b. how c. when d. where. 85. After school, Lan goes home and . . . . . her mother with dishes. a. help b. helping c. helps d. to help. 86. There is . . . . . meat in the bowl a. any b. a few c. few d. some. 87. He is interested . . . . . English. a. on b. in c. at d. for. 88. Is your house bigger . . . . . Nam's? a. that b. than c. of d. and. 89. Hoa . . . . . 14 on her next birthday. a. am b. is c. will be d. has. 90. In . . . . ., we learn how things work. a. History b. Literature c. English d. Physics 11. What is your.............................of birth? a. date b. place c. day d. time 92. Do you know.............................. a. where are the Bakers living? b. where do the Baker live? c. where the Bakers live? d.where are the Bakers live ? 93. The train is running.............................top speech. a. at b. on c.with d.by 94. Do the following things.............................healthy teeth

tìm n để B là số nguyên : n+3 phần n-1

tìm x thuộc z a) -7x =42 b) 3x - (-5) =8 c) |x-4|=9

57. There isn’t ____________ water in the bottle. a. much b. any c. many d. some 58. I’m going to stay ____________ my uncle about 3 weeks. a. with b. to c. at d. on 59. It’s ____________ in the winter. a. cold b. hot c. warm d. the hottest 60. What about ___________football this afternoon? a. play b. playing c. to play. d. to playing 61. would you like tea ……………..coffee? a. much b. and c. many d. or 62. Tom is watching TV now. So…….. a. does Mary b. Mary is c. is Mary d. Mary does 63. Who is Mrs Lien ……………..? a. talking b. talking to c. talk d. talk 64. Don’t be late …………..your music lesson. a. on b. for c. at d. to 65. …………a nice day ! a. Make b. Spend c. Pass d. Have 66. At present, her group ……………..a new play. a.to act b. is acting c. acts d.to acting 67. What are we doing for the school anniversary …………………..? a. organization b. arrangement c. celebration d. occupation 68. Hoa likes acting. She is a(an) …………..of the school theater group. a. person b. player c. actor d. member 69. We always need more players. Why don’t you come …………….? a. on b. along c. with d. in 70. What is he doing over there? – He’s looking ………….his new paintings. a. for b. at c. after d. with 71. He …………..plays games. a. does never b. doesn’t never c. never d. never doesn’t 72. They don’t have enough time ……………..the whole game. a. to play b. for play c. playing d. play 73. Look at the girls ! What game …………………..? a. they play b. do they play c. they are playing d. are they playing 74. They say he has …………..money a. plenty b. lots c. many d. a lot of 75. Mai is very ………………..in computers. a. interest b. interesting c. interested d. interestedly

Dung dịch (Z) thu được bằng cách pha trộn 200ml dung dịch HNO3x ( dung dịch (X)) với 300ml dung dịch HNO3y ( dung dịch (Y)) . Cho dung dịch (Z) tác dụng với CaCO3 dư thu được 3,136 lít không màu ( đo ở đktc) 1.Tính nồng độ mol của dd (Z) ? 2.Dung dịch (X) được pha bằng cách thêm nước vào dd (Y) theo tỉ lệ thể tích V(H2O) : V(Y) = 3:1 . Tính giá trị của x và y !