Question

Description: The Great White Shark is the largest predatory shark, and is probably the most well-known and feared shark. The Great White Shark is gray or bluish above and white below. The largest Great Whites can reach lengths of 22 feet and weigh up to 5,000 pounds. Most are between 13 and 16 feet and weigh 1,500-2,400 pounds. The Great White has massive teeth, which are positioned
in rows and serrated. When the Great White attacks, it bites its prey and shakes it head back and forth. The serrated teeth act as a saw and literally tear the victim apart. The Great White Shark often swallows many of its own teeth in an attack.
Diet: The Great White Shark normally feeds on fish, seals, dolphins, porpoises, otters, and turtles. It is thought to locate its prey by electrosense and by smell. Like all sharks, Great Whites have special pores called Ampullae of Lorenzini, which enable them to detect the electromagnetic fields radiated by moving organisms. Great Whites can detect voltage as small as one half billionth of a volt.
Great Whites employ several hunting techniques depending on the prey. Most of the time, the shark will remain still underwater before ambushing its prey from underneath. In the case of hunting some kinds of seals, the impact of the shark is so powerful that it knocks both the shark and the seal clear out of the water. With larger prey such as elephant seals, the shark will simply take a huge bite out of it and wait for it to bleed to death. When hunting dolphins, the shark will attack from above, presumably to avoid detection from the dolphin's echolocation.
Range/Habitat: Great White Sharks are most commonly observed throughout the world's sub-arctic coastal waters, though they likely spend most of their time in the open ocean. Highest concentrations are found in the waters off the coast of South Africa, Australia, California, and Mexico. The Great White Shark is also found in the Adriatic and Mediterranean Seas. They generally prefer water between 54 and 75 degrees Fahrenheit.

Reproduction: A Great White Shark has never been observed giving birth, however pregnant females have been caught. The Great White Shark is known to be ovoviviparous (young develop in eggs within the mother's body). Females give birth to eight or nine pups that are about five feet in length upon birth. Great Whites reach reproductive maturity when the male is about 12 feet long and the female about 13 feet long. It is thought that Great White Sharks live up to 40 years in the wild, but this estimate may be too low.
Shark Attacks: Despite the fear of Great White Sharks, at least in part generated by Steven Spielberg's 1975 movie, Jaws, Great White Sharks do not target humans as prey. Most attacks are attributed to mistaken identity. Sharks can easily mistake humans for seals. Many human injuries caused by Great White Sharks are cases of test-biting. If a shark is unsure about a floating object, it often gives it a test bite to determine what kind of object it is. While such bites do little damage to buoys and other objects, they obviously can inflict serious damage on the human body.

1. In paragraph 1, WHICH refers to:
A. Massive teeth.
B. The Great White.
C. The victim.
D. It bites its prey.

2. In paragraph 2, ITS refers to:
A. The Great White Shark.
B. Ampullae of Lorenzini.
C. Fish located by smell.
D. Fish located by electro senses.

3. In paragraph 3, BOTH refers to:
A. Kinds of seals.
B. Several hunting techniques.
C. The shark and the seal.
D. Hunting dolphins and the shark.

4. In paragraph 4, THEY refers to:
A. The waters off the coast.
B. Highest concentrations.
C. World´s sub-arctic coastal waters.
D. Great White Sharks.

5. When the author says “The serrated teeth act as a saw” means that…..
A. It is the past of see.
B. It acts as a spoon.
C. It is like a kind of big tooth.
D. It´s a hacksaw.

6. What happens with the shark when this one attacks any victim?
A. The shark tears the victim apart.
B. It bites its prey and shakes it head back and forth.
C. It often swallows many of its own teeth.
D. Such bites do little damage to buoys and other objects.

7. What function do the pores have in all sharks?
A. To inflict serious damage on their teeth when attacking any victim.
B. To locate its prey by electro sense and touch.
C. To reject its prey and not to attack them.
D. To enable the sharks to detect the electromagnetic fields.

Answer 1

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Explanation:

Answer 2

1. B. The great white.
(It’s just a description of the shark)

2. B. Ampullae of Lorenzini
(It talks about fish located by electro sense, but more it’s more specifically called Ampullae of Lorenzini)

3. B. Several hunting techniques
(It explains different hunting techniques for hunting animals like seals and dolphins.)

4. C Worlds sub-arctic coastal waters.
(It explains the habitat, where sharks live, which is waters off the coast, but specifically sub-arctic.)

5. D It’s a hacksaw.
(It’s not the past tense of see, we are talking about sharp teeth, which could be referred to like a hacksaw)

6. D Such bites do little damage to buoys and other objects.
(It doesn’t state explicitly that the shark does tear the victim apart, it doesn’t describe the shaking motion, and if never says it swallows its teeth.)

7. D. To enable the sharks to detect the electromagnetic fields.
(The pores are used for Ampullae of Lorenzini, which help the shark detect and hunt prey.)