Ba điện trở R1,R2,R3 mắc song song....

Có bao nhiêu loại hình cắt mặt cắt, hình cắt mặt cắt được biểu diễn như thế nào?

Giups tui lamf vs tui cho 5 sao lun

Vẽ mầm o cảm xúc. NL : tìm chỗ trú

Vẽ anime/chibi - Phù hợp với số điểm nhé

Hợp chất Calcium sulfite có công thức là CaSO3, hãy cho biết hợp chất này gồm bao nhiêu nguyên tố hóa học ? A.1 B.2 C. 3 D.5

76. Water ____ at 100 degrees Celsius. ​A. boils​B. boiled​C. is boiling​D. will boil 77.How long ____ you ____ her? – For five months. ​A. do/know​B. are/knowing​C. have/known​D. had/known 78. I usually ____ to school by bus. ​A. went​B. am going​C. go​D. have gone 79.I ____ a lot of badminton recently. A. play​B. have played​C. am playing​D. was playing 80. He ____ up at five every morning. A. is getting​B. got​C. gets​D. was getting 81. ____ she ____ in Hue at the moment? A. Does/live​B. Is/living​C. Did/live​D. Was/living 82.He usually ____ her at weekend but now he ____ in bed because of his severe illness. A. visits/stays B. visits/staying​C. visited/stays​D. visits/is staying 83.My brother................out at weekend. ​A. doesn’t usually go​B. does usually not go ​C. doesn’t usually goes​D. usually doesn’t goes. 84.Everyday, my sister .................the floor. A. usually clean​B. cleans usually​C. usually cleaned​D. usually cleans 85.Anita ........ very hard at the moment. A. is studying​B. studies​C. studied​D. has studied 86.Since I left Venezuela six years ago, I _______to visit friends and family several times ​A. return ​B. will have returned​ C. am returning ​D. have returned 87.I’m busy at the moment _______on the computer ​A. I work ​B. I’m worked ​C. I’m working ​D. I worked 88.I ______go as soon as you comeback. A.went ​B. will go ​C. have gone ​D. am going 89. Do you think they .............. (win) the championship? A. are going to win​B. will win​C. win ​D. won 90. We are so excited about our trip next month to France. We (visit) .............. Paris, Nice and Grenoble. A. are going to visit​ B. will visit​C.visit ​D. visite

56. Since _______, I have heard nothing from him. A. he had left​B. he left​C. he has left​D. he was left 57. He will take the dog out for a walk as soon as he ______ dinner. A. finish​B. finishes​C. will finish​D. finishing 58. I will be glad if he _______ with us. A. had gone​B. did go​C. Went​D. goes 59.A: The alarm’s going. It’s making an awful noise. B: Ok, I ……………it off A. am switching ​B. will switch ​C. am going to switch ​D. switch 60. Tom and Mary ______ for Vietnam tomorrow. A. leave​B. are leaving​C. Leaving​D. are left 61. He always ________ for a walk in the evening. A. go​B. is going​C. goes​D. going 62. Her brother ______ in Canada at present. A. working​B. Works​C. is working​D. work 63.A: You have left the light go on B: Oh, I have. I _________and turn it on. A. will go ​B. have gone ​C. go ​D. am going 64.It didn’t rain in the spring. I think we _____water next summer. A. run out of ​B. will run out of ​C. are going to run out of ​D. have run out of 65. How many times ____ you ____ this film? – The first time. ​A. have/ seen​B. did/see ​C. do/see ​D. had/seen 66. He ____ up at five every morning. ​A. is getting​B. got​C. gets​D. was getting 67. ____ she ____ in Hue at the moment? ​A. Does/live​B. Is/living​C. Did/live​D. Was/living 68. He usually __ her at weekend but now he __ in bed because of his severe illness. ​A. visits/stays ​B. visits/staying​C. visited/stays​D. visits/is staying 69.Don’t make noise, children! Parents ____. ​A. sleep​B. are sleeping​C. were sleeping ​D. slept 70. He ____ to New York three times this year. ​A. had been​B. was​C. has been​D. is 71. He ____ in the same house since 1975. ​A. has lived​B. is living​C. lived​D. had lived 72. We ____ him since he ____ married. ​A. didn’t see/got​B. haven’t seen/got​C. don’t/get​D. hadn’t seen/got 73 A: Why did you buy all this sugar and chocolate. B: I _________a delicious dessert for dinner tonight. A.make ​B.will make C. am going to make ​D. will have make 74. We ____ what to do with the money yet. ​A. not decide​B. didn’t decide​C. haven’t decided ​D. hadn’t decided 75.Please don’t make so much noise. I ____. ​A. studying​B. study​C. am studying​D. studied

tìm x ahhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhh

mọi người ới giúp mk vs ạ mk sẽ đánh giá tốt ạmọi người ới giúp mk vs ạ mk sẽ đánh giá tốt ạmọi người ới giúp mk vs ạ mk sẽ đánh giá tốt ạmọi người ới giúp mk vs ạ mk sẽ đánh giá tốt ạ