【英语卷（解析）·2015届山西省山大附中高三上学期第四次月考试题（201410）】第二节语法填空（共10小题，每小题1分，满分10分）
阅读下面短文，按照句子结构的语法性和上下文连贯的要求，在空格处填入一个适当的词或使用括号中词语的正确形式填空。
Scientists have found that pesticides (农药) harm the ability of bees to find food. Bees must learn which flowers contain their food from the smells of the flowers. 41 给……授粉) crops and wild plants. the bees do not learn which smells mean food, they will starve. Researchers in Britain found that pesticides 42 (use) by farmers and gardeners can switch off the part of a bee’s brain that is responsible 43 associating smells with food. Lead researcher Dr. Geraldine Wright said pesticides could seriously impact the 44 (survive) of honeybee colonies. She said, “Bees that cannot learn will not be able to find food.” This also 45 (mean) bees will not pollinate (
Bee populations around the world have been declining. Scientists have searched for a long time for a reason 46 so many bees are disappearing. This new research may be 47 important clue. However, the British government does not want to stop the use of the pesticides that may prevent bees from learning. 48 wants to carry out more tests to make sure pesticides are the real reason for the decrease in the number of bees. A spokeswoman from the Friends Of The Earth charity said the government must act 49 (soon) rather than later. “Bee health is far too urgent to wait 50 more research has been
