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chungocvietduc
2 năm trước
Nhúng một thanh sắt nặng 11,2 gam vào 200 ml dung dịch CuSO4 0,5M. Sau một thời gian lấy thanh sắt cô cạn dung dịch được 15,52 g chất rắn khan. Tìm khối lượng từng chất có trong 15,52 g chất rắn thu được
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II. Choose the word or phrase that best completes each unfinished sentence below or substitutes for the underlined word or phrase. 6. Yesterday I _____ to the cinema. a. Go b. will go c. went d. has go 7. Mozart was born in Salzburg ______ 1756. a. In b. on c. at d. since 8. _____ Saturday night, I went to bed at 11 o'clock. a. At b. On c. In d. From 9. I used _____ fishing. a. Enjoy b. to enjoy c. enjoying d. to enjoying 10. It's hard work looking______ three children all day. a. After b. before c. about d. at 11. I can't stand people who are cruel______ animals. a. With b. to c. on d. about 12. He died_____ a heart attack. a. With b. of c. because d. by 13. The sun suddenly _____ from behind a cloud. a. Appear b. appeared c. disappear d. disappeared 14. An oil_____ burned in the darkness. a. Lamb b. lamp c. lam d. lame 15. He was late, but fortunately his friends waited for him. a. Luckily b. magically c. cruelly d. lately III. Choose the words or phrases that are not correct in Standard English. 16. Bob lived in (A) Rome for (B) three years; now he was living (C) in (D) Amsterdam. 17. There used to (A) be a movie theater here but (B) it close (C) a (D) long time ago. 18. I don't want to (A) sound likely (B) I'm complaining, but (C) this plan is unfair (D). 19. We took all (A) the rubbish outside (B) and burn (C) it (D). 20. He made (A) me feel (B) like such a foolish when he used me as an example! IV. Choose the word (a, b, c, or d) that best fits each of the blank spaces. One day, two men (21) _____ in the woods. Suddenly, they saw a huge black bear. One man immediately (22) _____ down, took off his backpack, and took out his sneakers. He began (23) ______ off his hiking boots. The other man looked (24) _____ him and said, "Are you crazy? Do you think you can run (25) ______ than that bear?" "No," replied the first man. "But I can run faster than (26)_____!" take off (phrv): cởi( giày. . . ) sneakers (n): giày chạy bộ hiking boots (n): giày đi bộ 21. a. hiked b. are hiking c. was hiking d. were hiking 22. a. sits b. sited c. sitted d. sat 23. a. take b. taking c. to take d. b & c 24. a. on b. at c. for d. after 25. a. fast b. fastly c. faster d. more fast 26. a. him b. his c. you d. your V. Read the following passage and choose the item (a, b, c, or d) that best answers each of the questions about it. In Scotland, there is a popular legend about a monster. The monster lives in a lake called Loch Ness, near the town of Inverness. Loch Ness is 32 km long, 5 km wide, and very, very deep. The monster's name is Nessie. People say that she is very big, and that she has got a long neck, like a snake. The legend of the monster is very famous, and millions of tourists from all over the world come to Loch Ness. Everybody wants to be the first person to see Nessie. Come to Scotland and Loch Ness _ that person may be you! legend (n) : truyền thuyết monster (n) : quái vật 27. What does the word 'popular' in the first line mean? a. ancient b. modern c. famous d. interesting 28. What is the length of Loch Ness? a. 32 km b. 5 km c. very deep d. no information 29. Which of the following does the word 'she' in line 4 refer to? a. legend b. Loch Ness c. the monster d. the town 30. The tourists want to _____ . a. hear about the monster b. swim in the lake c. be the first person to see the monster d. catch the monster 31. Which of the following is not true? a. The name of the monster is Nessie. b. The lake where the monster lives is near the town of Inverness. c. Millions of tourists saw Nessie. d. The lake where the monster lives is in Scotland.

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