Exercise 1: Choose the word whose underlined part is pronounced differently from the other three in each question.
1. A. loch B. chemical C. change D. architect
2. A. dead B. outbreak C. treasure D. bread
3. A. erupt B. mudsilde C. earplug D. pollution
4. A. flood B. typhoon C. cool D. kangaroo
5. A. around B. various C. sound D. moutain
6. A. stayed B. played C. watched D. called
7. A. visited B. decided C. laughed D. provided
8. A. teddy B. apology C. sunny D. typhoon
9. A. drought B. about C. bought D. sound
10. A. monument B. tornado C. volcano D. loch
Exercise 2: Choose the word which has a different stress pattern from the other three in each question.
11. A. teacher B. paper C. hotel D. ticket
12. A. apology B. statistic C. traffic D. receive
13. A. Japanese B. photography C. ecology D. machine
14. A. iconic B. funny C. pretty D. happen
15. A. firework B. accent C. erupt D. forest
Exercise 3: Choose the word or phrase that best completes each sentence below.
16.This was the first time I ………..to England.
A. went B. has gone C. have gone D. goes
17. If I were you, I ……….. home early.
A. would come B. will come C. came D. come
18. The Earth…………….around the Sun.
A. moves B. is moving C. moved D. will move
19. Some flowers ……………in the garden by my father everyday.
A. is watered B. was watered C. are watered D. water
20. Australia has the ………….cattle station in the world
A. bigger B. biggest C. big D. smallest
21. Many houses and public buildings …………. or flooded in typhoon last year.
A. were destroyed B. destroyed C. has destroyed D. destroy
22. Once the heavy rain stops, they’ll start …………….. the debris.
A. clear up B clearing up C. clears up D. cleared up
23. The waste from the factory ………….. the lake for a long time.
A. has pollute B. pollutes C. has polluted D. polluted.
24. If the factory continues dumping poisons into the lake, all the fish and other .......animals will die.
A. aquatic B. aquatical C. aquatics D. aquatically
25. Lan: How about going to see a movie?
Mai: “………………….”
A. I don’t like.
B. That’s great to see you.
C. Good idea! What movie will we see?
D. I am busy.
Exercise 4: Indicate the word(s) CLOSEST in meaning to the underlined word(s) in each of the following questions.
26 .The rains of 1993 causing the Missouri river to overflow resulted in one of the worst floods of the 20th century.
A. stopped B. widened C. caused D. overcame
27. The life boat rescued the crew of the sinking ship.
A. picked up B. provided food C. saved the life of D. looked for
28. During the earthquake, a lot of buildings collapsed, which killed thousands of people.
A. went off B. erupted C. fell down D. exploded
29. As a government official, Benjamin Franklin often traveled abroad.
A. widely B. secretly C. alone D. oversea.
30. We'd better speed up if we want to get there in time.
A. slow down B. get faster C. put down D. lie down.
Exercise 5: Find the mistake in each sentence:
31. (A) Much of the town was (B) reconstruct (C) after the (D) tornado.
32. The winds (A) were so strong (B) for trees, cars and (C) even houses (D) were picked up.
33. (A) By the (B) next morning, several villagers (C) was buried in ash (D) and
34. (A) Natural disasters can be (B) destroyed; they can (C) cause loss of life and (D) damage to property.
35. We should (A) tell more (B) respect (C) to the (D) natural
Exercise 6: Choose the letter A, B, C or D to complete the passage below
Water pollution happens __________ (36) toxic substances enter water bodies such as lakes, rivers, oceans and so on, getting dissolved in them, lying suspended in the water or depositing on the bed. This degrades the quality of water. Not __________ (37) does this spell disaster for aquatic ecosystems, the pollutants also seep through and reach the groundwater, which might end up in our households as contaminated water we use in our daily activities, including drinking.
Water pollution can be __________ (38) in a number of ways, one of the most polluting being city sewage and industrial waste discharge. Indirect sources __________ (39) water pollution include contaminants that enter the water supply from soils or groundwater systems and from the atmosphere via rain. Soils and
groundwater contain __________ (40) residue of human agricultural practices and also improperly disposed of industrial wastes.
Pollutants can be of varying kinds: organic, inorganic, radioactive and so on. In fact, the list of possible water contaminants is just too vast to be listed here.
36. A. what B. when C. why D. while
37. A. both B. only C. well D. either
38. A. cause B. caused C. causing D. causes
39. A. of B. in C. at D. for
40. A. a B. an C. the D. x
Exercise 7: Rewrite the sentence
41. Although he is strong, he can’t move that stone.
A. In spite of he is strong, he can’t move that stone.
B. In spite of being strong, he can’t move that stone.
C. Despite strong, he can’t move that stone.
D. Despite he is strong, he can’t move that stone.
42. David had gone home before we arrived.
A. After David gone home, we arrived.
B. After we arrived, David had gone home.
C. After arriving, David had gone home.
D. David gone home after we had arrived.
43. You feel unhealthy because you don’t take any exercise.
A. If you don’t do exercise, you feel unhealthy.
B. If you do exercise, you feel unhealthy.
C. If you do exercise, you would feel unhealthy.
D. If you did exercise, you would feel healthy.
44. It was cold. However, Tom still went swimming.
A. Although it was cold, Tom still went swimming.
B. Although it wasn’t cold, Tom still went swimming.
C. In spite of it was cold, but Tom still went swimming.
D. Although it was cold, but Tom still went swimming.
45. They built a new bridge over the river.
A. A new bridge were built over the river.
B. A new bridge were build over the river.
C. A new bridge was built over the river.
D. A new bridge was build over the river
cân tại A có hai đường cao AH và BI cắt nhau tại O và 
. Tia BI cắt đường phân giác ngoài của góc A tại M
KClO3 → O2 → H2O → H2 → Pb