题目内容

19．Yuan Longping takes up the research on farming for decades and this is ____ he devotes all his life to．（　　）
A．whichB．howC．whereD．what

分析 袁隆平从事农业研究有数十年，这是他把自己的一生都奉献于此了．

解答 答案：D
分析句子结构可知，"____ he devotes all his life to"用在了系动词is之后，故本句是表语从句．根据句意可知，该从句缺少宾语补足语，故此处应选连接代词，意为：他把自己的一生都奉献给了农业研究；A．which 哪一个，用在此处不合句意； D．what 可以代指人或事物；故选D

点评 本题考查了连接代词what在表语从句中的用法．做本题时，首先通过分析句子结构，确定该句为表语从句；其次根据句意判断出从句缺少了宾语补足语，故选符合句意的what；另外，在本题中，还应注意总结连接代词what与which的区别．

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In order or help her deal with this new fear, MIkaila’s parents asked her to do some research on bees. She learned that bees are very important for flowers, gardens and trees as pollinators(传粉者). She also learned that they are dying at a rapid rate. In the past year, honey bee farmers have reported losing nearly 42% of their bees! Many believe that this could be due to the overuse of pesticides(杀虫剂), which can have many bad effects on bees.

This is what set her mind to create a product to help save bees. She decided she would sell lemonade and she started her company, BeeSweet Lemonade. Her special lemonade recipe came from her great-grandmother’s cookbook. She decided to add honey to it, instead of sugar, in order to call attention to the problems honey bees face. Mikaila sells lemonade almost every day at her lemonade stand! And she takes every opportunity to tell her customers about the problems facing honey bees.

What began as a small operation is starting to grow. BeeSweet is projected to sell almost 140,000 bottles of lemonade this year! BeeSweet lemonade can be found on the shelves at select Whole Foods Markets as well as many restaurants and other locations near her home in Austin, Texas.

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A. Favorable B. Frightened

C. Caring D. Friendly

2.Why did MIkaila add honey to her lemonade?

A. To create a special flavor

B. To make herself famous and popular

C. To be in honor of her great-grandmother

D. To remind people of the problems honey bees face

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