2. the United States Department ofAgriculture Bee Research Laboratory:美国农业部蜜蜂研究实验室。
3. the FloridaDepartment of Agriculture:佛罗里达农业局。佛罗里达是美国东南部的一个州,濒临大西洋和墨西哥湾。
练习:
1. What is the mystery that researchers find hard to explain?
A Honeybeesare flying all across the country.
B 25-40 percent of the honeybees inthe US have died.
C Honeybees are leaving their hives and do not return.
D Honeybee hives are in disorder.
2. Why are researchersseriously concerned with the phenomenon of colony-collapsedisorder?
A Because honeybees produce one-third of the foods we eat.
B Becausehoneybees feed on flowers.
C Because honeybees eat seeds of flowers.
D Both B and C.
3. What are the possible causes of colony-collapsedisorder given by the scientists?
A Worsening environment.
B Diseaseand chemicals.
C Dwindlingnumber of flowers around.
D Changes ingenes structures.
4. According to the fifth paragraph,which of thefollowing about bees genes istrue?
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