Đáp án:
BẠN CHỤP CÂU NÀO MÌNH LÀM CÂU ĐẤY ĐÓ NHA
Giải thích các bước giải:
12.D
13.D
14.A
15.D
16.C
17.B
18.C
19.D
20. Mình ko nhớ công thức
21.C
22.B
23.A
CHÚC BẠN HỌC TỐT!!!
Read carefully the passage below then choose one the most correct answer : It’s a quarter past five. The students of the school of Le Loi come out of their classrooms. Many of them go home. Some sit in the cafeteria and wait for their parents. The students join many different after-school activities. Some students stay at school and play sports. They change their clothes and play soccer or table tennis. Now and then they go swimming. Not all after-school activities are sports.There is a music and drama society. Members of this group practice playing musical instruments or rehearse for a play. Others try to help the community. They learn how to do first aids. They all enjoy working together. 116....... the students go home after school. a. All b. A lot of c. Some d. Any 117 Some of the students wait in the .... a. classroom b. cafeteria c. community d. school 118 .... collect some children a. The teacher b. Friends c. Mothers d. Sisters 119 A few sporty students...... go swimming. a. sometimes b. usually c. always d. never 120. .... of the after- school activities are sports. a. All b. Some c. None d. A lot
Exercise 1: Find the word which has a different sound in the part underlined 1.A. preferB. betterC. teacherD. worker 2.A. bearB. hearC. dearD. near 3.A. motherB. someC. coldD. come 4.A. backB. family C. far D. happy 5.A. alsoB. post C. movie D. old
b = 1/6 +1/12 +1/20 +1/30 +1/42 +1/56 c=1/30 +1/22 +1/56 +1/72 +1/90+1/110+1/132
Có 2 điện trở 10 và 20 được mắc nối tiếp vào hiệu điện thế 12V. Hãy tính : a. Điện trở tương đương của đoạn mạch b. Cường độ dòng điện qua mỗi điện trở.
Cho các hàm số : a) y = √2x2 + 1; b) y = -√2(x + l)2 Không vẽ đồ thị, hãy mô tả đồ thị của mỗi hàm số trên bằng cách điền vào chỗ trống (...) theo mẫu: - Đỉinh của parabol là điểm có tọa độ... - Parabol có trục đối xứng là đường thẳng... - Parabol hướng bề lõm (lên trên/ xuống dưới)...
Làm và giải thích bài này giùm em
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. a. to have b. for having c. have d.so to 95. Who did you talk............................. on the phone ? a. to b. out c. O 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 him............................. 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 113. I’d like ............... some stamps for overseasmail. a. buy b. to buy c. to buying d. buying 114. She ____________ thirteen years old next week. a. will b. be c. is d. will be 115. Her new shool is____________than her old school. a. very big b. big c. bigger d. biggest
Treo đầu trên của lò xo vào một điểm cố định . Khi đầu dưới của lò xo để tự do , lò xo có chiều dài 10 cm. Khi treo vào đầu dưới của lò xo một quả cân 100g thì lò xo có chiều dài 14 cm. Hỏi khi tác dụng vào đầu dưới lò xo một lực kéo 2N hướng dọc theo chiều dài lò xo thì lò xo bị kéo dãn có chiều dài bằng bao nhiêu
mọi người giúp em câu 4 với ạ.thanks mọ người
Tính tổng các số nguyên x thoả : - 10 < x < hoặc bằng 20 Giúp em nha
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