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Passage 1Questions 1 to 5 are based on the following passage.  The two claws of the mature American lobster are decidedly different from each other. The crusher claw is short and stout; the cutter claw is long and slender. (76) Such bilateral asymmetry, i

Passage 1Questions 1 to 5 are based on the following passage.  The two claws of the mature American lobster are decidedly different from each other. The crusher claw is short and stout; the cutter cla

  Green sea turtles(海龟) are the world’ s largest species of hard-shelled sea turtle. While most individuals weigh about 136 to 181 kilograms, some can be (56)_____ heavy as 204 kilograms. These turtles are found nesting(筑巢) along the coastline of more

  Green sea turtles(海龟) are the world’ s largest species of hard-shelled sea turtle. While most individuals weigh about 136 to 181 kilograms, some can be (56)\_\_\_\__ heavy as 204 kilograms. These tu