摘要：过程与方法 a.通过语法归纳,总结反意疑问句的结构形式和如何回答的方式. b.通过做检测试题检测学习效果.
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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____________________________________ 。 查看习题详情和答案>>
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____________________________________ 。 查看习题详情和答案>>
句型转换
1.We're trying to protect the environment.(对划线部分提问)
_________are you trying _________ _________?
2.There used to be a lof cheetahs.（改为反意疑问句）
There used to be a lot of cheetahs,______ _________?
3.They made Victor weigh himself just now. （改为被动语态）
Victor_____ ______ to weigh himself just now..
4.They weigh about 1,ooo pounds. (对划线部分提问)
______ _______ do they weigh?
5.I think what you said is right. （同义句）
I_______ ________you..
6. There's something wrong with the watch .（一般疑问句）
________ there ________ wrong with the watch ?
7.I like to go out to play, and I don't like to stay at home.（同义句）
I prefer to play outside ------- -------stay at home.
查看习题详情和答案>>
句型转换。
1. The child taught himself English. (改为复数句)
The ______ taught ______ English.
2. It's an interesting story. (改为感叹句).
______ ______ interesting story it is!
3. Peter saw a bird in the tree. ______ ______? (完成反意疑问句)
4. They have been swimming for five hours. (就画线部分提问)
______ ______ ______ they been swimming?
5. We have been living here for 10 years. (改为同义句)
We have been living here ______ 10 years______ (watch) movies?
查看习题详情和答案>>
The ______ taught ______ English.
2. It's an interesting story. (改为感叹句).
______ ______ interesting story it is!
3. Peter saw a bird in the tree. ______ ______? (完成反意疑问句)
4. They have been swimming for five hours. (就画线部分提问)
______ ______ ______ they been swimming?
5. We have been living here for 10 years. (改为同义句)
We have been living here ______ 10 years______ (watch) movies?
按要求改写下列句子。
1. Being a volunteer is great.(改为反意疑问句)
Being a volunteer is great,________ ________?
2. You finish your homework. I will go to the park with you.(改为复合句)
3．"I'm listening to music," she said.(改为间接引语)
4. Both of the boys are good at playing soccer.(改为否定句)
________of the boys ________good at playing soccer
5. Jim has been collecting shells for five years．(对画线部分提问)
6. We shouldn't talk loudly in the theater.
We shouldn't smoke there, either，(改为同义句)
We should________talk loudly________smoke in the theater.
7. It took them half a year to finish the work.(改为同义句)
They________half a year in________the work.
8. I would like to go to the park tomorrow.(改为同义句)
I ________ ________going to the park tomorrow.
9. He gets on well with his classmates.(对画线部分提问)
10. John's grandfather died ten years ago.(改为同义句)
John's grandfather has________ ________for ten years.
查看习题详情和答案>>
Being a volunteer is great,________ ________?
2. You finish your homework. I will go to the park with you.(改为复合句)
3．"I'm listening to music," she said.(改为间接引语)
4. Both of the boys are good at playing soccer.(改为否定句)
________of the boys ________good at playing soccer
5. Jim has been collecting shells for five years．(对画线部分提问)
6. We shouldn't talk loudly in the theater.
We shouldn't smoke there, either，(改为同义句)
We should________talk loudly________smoke in the theater.
7. It took them half a year to finish the work.(改为同义句)
They________half a year in________the work.
8. I would like to go to the park tomorrow.(改为同义句)
I ________ ________going to the park tomorrow.
9. He gets on well with his classmates.(对画线部分提问)
10. John's grandfather died ten years ago.(改为同义句)
John's grandfather has________ ________for ten years.
按每小题后的要求转换下面的句子，每空一词。
1. You had a very good vocation. (改为反意疑问句)
You had a very good vocation, _________?
2. Why don't you try some music that you can dance to? (改为同义句)
_________ _________ try some music that you can dance to?
3. What delicious cakes! (改为同义句)
_________ delicious the cakes _________!
4. The Olympic Games are held every four years. (对划线部分提问)
_________ _________ are the Olympic Games held?
5. She went to school at the age of five. (改为同义句)
She went to school ________ she ________ five.
查看习题详情和答案>>
You had a very good vocation, _________?
2. Why don't you try some music that you can dance to? (改为同义句)
_________ _________ try some music that you can dance to?
3. What delicious cakes! (改为同义句)
_________ delicious the cakes _________!
4. The Olympic Games are held every four years. (对划线部分提问)
_________ _________ are the Olympic Games held?
5. She went to school at the age of five. (改为同义句)
She went to school ________ she ________ five.