过程与方法采用任务型教学方法.让学生通过听.说.读.写围绕各种任务分工合作.在活动中相互探讨.相互交流.从而获得知识.发展能力.——青夏教育精英家教网—

过程与方法采用任务型教学方法.让学生通过听.说.读.写围绕各种任务分工合作.在活动中相互探讨.相互交流.从而获得知识.发展能力. 【查看更多】

萘乙酸（NAA）是科学家通过化学的方法合成和筛选的在结构和生理作用方面与生长素相似的物质，其生理作用也与浓度密切相关，探究萘乙酸（NAA）对扦插枝条生根作用的最佳浓度范围，在农业生产的应用上具有非常重要的意义。
　一、实验原理：
萘乙酸与生长素一样，对植物生长的调节作用具有___________________________性，即
_______________________________________________________________。（2分）
二、实验过程与方法：
（1）取材；取山茶花植株生长良好的半木质枝条，剪成5—7cm，每段插条芽数相同。
（2）实验：①将插条分别用不同的方法处理如图1；②将处理过的插条下端浸在清水中，注意保持温度（25～30℃）。
（3）记录：小组分工，根据实验数据，建立数学模型如图2。

三、结果分析与评价：
（1）从图2中，可得出的结论是_________________________________________          。
（2）插条若没有生出不定根，其原因最可能是____________________________            。
（3）温度、处理时间等要一致，其原因是_________________________________           。
（4）每组都选取10根插条，其目的是____________________________________           。

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任务型阅读（5分）五位中国学生要去美国留学，他们想要找住家。请仔细阅读第1--5题中的学生的个人情况说明，并从A至F六个选项中，帮助他们选择最适合的住家（其中一项为多余选项）

1.Zhang Chao likes Chinese food. He hopes his host family speak a little Chinese.

2.Li Wei likes doing sports. He wants to live near a park.

3.Liu Yong hopes to live near his school---Reading School. He prefers a bed room with a bathroom

4.Chen Yao wants to live in a big bedroom cheaper than ￡350 a month. She can’t stand pets.

5.Hu Mei loves pets. She would like a bedroom cheaper than ￡220 a month.

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任务型阅读: 有几位学生遗失了一些物品,请根据以下信息为他们写完寻物启事。

   Peter: I lost a gold watch. If you find it, call me at 680-7432.
   Jim :  I found a computer game. My phone number is 512-8843.
   Henry: I lost a set of keys. Who found them, please call 476-3539.
   Sam:  I found a notebook with the name "Kevin Clark". My phone number is 555-0287.
   Lost & Found
Found:                                               Lost:
     Is this your computer game?             2
     Please call Jim.                                 My name is Henry Cooper.
     Phone# 1                                         Please call me at 476-3539.
Lost:                                                 Kevin:
     A gold watch.                                  Is this your 4                  ?
     My name is 3             .                     Please call me at 5              .
     My phone number is 680-7432.                                 Sam.

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任务型阅读。

几位学生遗失了一些物品，请根据以下信息为他们写完寻物启事的布告。
Peter: I lost a gold watch. If (如果) you find it, call me at 680-7432.
Jim: I found a computer game. My phone number is 512-8843.
Henry: I lost a set of keys. Who (谁) found them, please call 476-3539.
Sam: I found a notebook with the name "Kenvin Clark". My phone number is 555-0287.
Lost ＆ Found

Found:
Is this your computer game?
Please call Jim.
Phone: # 1. _______

Lost: 2. ______
My name is Henry Cooper.
Please call me at 476-3539

Lost:
A gold watch. My name is 3. ______.
My phone number is 680-7432.

Kevin:
Is this your 4. ______?
Please call me at 5. ______.
Sam

1.______ 2.______ 3.______ 4.______ 5.______

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任务型阅读

五位中国学生想去世界名校学习，请仔细阅读第1－5题中的学生个人信息和他们的态度，然后从A至F六个选项中，帮助他们选择最合适的大学(其中一项为多余选项)。

	University	Country	Popular majors	Other information
A	The university of Melbourne	Australia	Arts	11 art clubs
B	The Chinese University of Hong Kong	China	Business Nursing	Free school bus
C	The University of Tokyo	Japan	Earthquake Study; Engineering	Easy to get part-time jobs
D	The University of Leeds	The UK	Business	Many libraries
E	The University of Michigan	The USA	Engineering	Large libraries
F	The University of Pennsylvania	The USA	arts	Near the city center

(     )1. Li Qi plans to study in England. She likes universties with many libraries.
(     )2. Chen Jun hopes to major in Engineering. He wants to get a part-time job during his study.
(     )3. Xia Jie dreams to be a businessman. Hong Kong is his favorite city.
(     )4. Han Yi would like to study at a university in the USA. He is interested in Engineering.
(     )5. Sun Hao wants to learn Arts. She thinks joining an art club can be helpful.

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