More uniquely their gender (性别) is determined, not by genes but by the egg’s temperature during development. Small rises in beach temperatures can result in ail-female populations, obviously problematic for survival. If the sand around the eggs hits 30 degrees Celsius, the gender balance shits to females: at about 32 degrees they are all female. Above 34, you get boiled eggs.

　　On some nesting beaches, scientists are artificially cooling nests with shade or irrigation and trying to protect broader areas of coastal property from development to ensure that turtles have a place to nest as the seas rise.

　　1. Why does the resort town stop promoting it’s turtle tourism?

　　A. It decides not to disturb the turtles’ normal life.

　　B. Tourists have lost interest in watching turtles.

　　C. There are only very few turtles now.

　　D. The turtle museum was destroyed by a high tide.

　　2. Which of the following is the major factor in the turtles endangerment?

　　A. The locals eating habit. B. Drift net fishing.

　　C. Beach development. D. Global warming.

　　3. We learn from the last paragraph that scientists　.

　　A. are doing research on the sea rise

　　B. are moving turtles to new homes

　　C. are protecting turtles’ nests

　　D. are getting rid of sea weeds

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