cho 200 ml dd h2so4 1m vào 200 ml dd ca(oh)2 a) tính Cm của dd ca(oh)2 b) tính Cm của dd caso4 thu đc sau phản ứng

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Mark the letter A, B, C, or D on your answer sheet to indicate the correct answer to each of the following questions. 11. My house is not far from my school, so I usually go ________. A. on foot B. by foot C. by car D. by boat 12. ________ cars emit low emissions and make the environment safer. A. High speed B. Eco-friendly C. Automated D. Supersonic 13. At 3 o’clock tomorrow afternoon, he ________ the Meeting on Climate change. A. attended B. will attend C. will be attending D. will be attended 14. My borther used to ________ a lot when he was young. A. swim B. swimming C. swam D. swims 15. I got really ________ when I saw the main character being killed. A. frightening B. frightened C. boring D. amusing 16. My friend didn’t have his mobile, so I lent him ________. A. his B. their C. mine D. her 17. ________ we lost the game, we were happy that we played well. A. If B. Nevertheless C. Because D. Although 18. It’s really difficult to ________ a bicycle up the hill. A. fly B. drive C. pedal D. sail 19. Natural gas is limited and it is harmful ________ the environment. A. to B. in C. with D. for 20. The film was so ________ that the two girls next to me couldn’t stop crying. A. moving B. thrilling C. exciting D. fascinating Mark the letter A, B, C, or D on your answer sheet to indicate the most suitable response to complete each of the following exchanges. 21. – Shall we go to the cinema tonight? - _________________. A. That’s a good idea B. Yes, we shall C. That a question D. You are welcome 22. - What a beautiful monowheel! - ____________________. A. I’m glad to tell you so B. I bought it in America C. You’re welcome D. I don’t mind if you say so