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READING
1.A 2.C 3.B 4.C 5.A 6.D 7.D 8.a giant jigsaw puzzle 9.appearance and behavior 10.constructing and mounting HOME LISTENING Ⅰ.A－3 B－2 C－1 Ⅱ.F T T T F F F
Ⅲ.1.There are several differing theories about what happened to the dinosaurs. 2.It caused enormous clouds of dirt and dust to cover the sky, blocking out the
sun and causing the temperature on Earth to fall greatly.
3.Other scientists have somewhat different interpretations.
4.He theorizes that these changes contributed to the global extinction of plant
and animal species.
5.Other scientists hold very different theories and it will probably be many years
before the debate is resolved completely.
UNIT 6 Snake Detective WARMING
Ⅰ. 1.F 2.E 3.D 4.B 5.A 6.C
Ⅱ. 1.green mamba 2.rattlesnake 3.cobra 4.albino python WATCHING Part 1
Ⅰ. F T T F F
Ⅱ.1.the extremely hot sun and heat in the desert 2.the electric wiring in the glass enclosures 3.the fine sand that spreads infections
Ⅲ.1.Shake in a snake park in Oman are dying .New snakes are arriving in two weeks. He must act fast before the new snakes suffer the same misfortune.
2.He loves the idea of financing a snake park to educate the people of his country about wildlife.
3.They used to grab the snakes with nooses, and stuff food down their throats. Part 2
Ⅰ.1.enclosures 2.gap 3.highlighted 4.restore rebuild Ⅱ.1.rocks trees 2.rain heat 3.insects mice Part 3
Ⅰ.1.above the knot
2.Muhammad Al-Harthy/the Snake Park General Manager 3.heard the rattle of a live rattlesn