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5. Many people forget that zippers are wonderful because ………………………
A. they are strong B. they open and close easily C. they are colorful D. they are common
6. The first zipper was invented ………………………………………
A. in 1800 B. in the 1800s C. in 1839 D. in 18th century
7. A zipper consists of …………………………………
A.three metal of plastic teeth B. dozens of parts C. dozens of parts D. metal or plastic teeth, two flexible strips of cloth and fastener
8. It was …………for people in the US to wear clothes or shoes with a long row of buttons.
a. A.easy B. difficult c.wonderful d.convenient
Many voulunteers supported the victims of the flood in Ha Tinh. They were very kind. (to support)
=> Many volunteer were very kind to support the victim of the flood in Ha Tinh
k cho mk nha
They accidentally cut off our water supplying while mending the road.
They bought their car in 1990.
-> Their car was bought in 1990.
1. accessible
2. unnoticeably
3. annoyances
4. exploration
5. magnificent
6. promote
7. establishment
8. various
9. recognition
10. promote
11. established
12 varied
13. recognition
14. promotion
15. globalization
16. operation
17. establishment
18. exhibitions
19. explorers
20. variety
Ha Long Bay is a UNESCO World Heritage Site and popular travel (1)_____________inQuangNinh Province, Vietnam. The bay features thousands of limestone karsts and isles in (2) _____________ shapes and sizes. Ha Long Bay is a center of a larger zone which (3) _____________ BaiTu Long Bay to the northeast, and Cat Ba Island to the southwest.
Ha Long Bay has an area of around 1,553km2, including 1,960 - 2,000 islets, most of(4)_____________ are limestone. The core of the bay has an area of 334km2 with a high density of775 islets. The limestone in this bay has gone through 500 million years of (5)_____________ in different conditions and environments. The evolution of the karst in this bay has taken20 million years (6)_____________ the impact of the tropical wet climate. The geo-diversity of the environment in the area has created (7)_____________ , including a tropical evergreen biosystem, oceanic and sea shore biosystem. Ha Long Bay is (8) _____________ to 14 endemic floral species and 60 endemic faunal species.
1. a. situation b.destination c. direction d. ground
2. a. various b.complex c. exciting d. original
3. a. offers b.includes c. consists d. covers
4. a. them b.those c. which d. whom
5. a. formation b. foundation c.establishment d. contribution
6. a. in b. of c.for d. under
7. a. biochemical b. biodiversity c.bioconversion d. biodefense
8. a. way b. place c.home d. house
1. a. situation b.destination c. direction d. ground
2. a. various b.complex c. exciting d. original
3. a. offers b.includes c. consists d. covers
4. a. them b.those c. which d. whom
5. a. formation b. foundation c.establishment d. contribution
6. a. in b. of c.for d. under
7. a. biochemical b. biodiversity c.bioconversion d. biodefense
8. a. way b. place c.home d. house
.......... vary in shapes and .....