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Dear Headmaster,
I’m very glad to write a letter to you. These days we are talking about how to have a better school life. Here are some of my suggestions. First, I hope our school will______________________________
____________________________________________________________________________________
Hope my suggestions will be helpful. Thanks for reading my letter!
Yours sincerely,
Liu Bo 查看习题详情和答案>>
（1）细胞分裂素足一种植物激素。它是由植物体的特定部位＿＿＿＿＿＿＿，再被运输到作用部位，对生长发育起＿＿＿＿＿＿＿＿作用的＿＿＿＿＿＿＿＿＿＿有机物。
（2）制备插条时除去根系和幼芽的主要目的是＿＿＿＿＿＿＿＿：插条插在蒸馏水中而不是营养液中培养的原因是＿＿＿＿＿＿＿＿＿＿＿·
（3）从图2中可知，对插条进行的实验处理包括＿＿＿＿＿＿＿＿＿＿＿＿＿＿＿。
（4）在实验I中，对A叶进行实验处理，导致B叶＿＿＿＿＿＿＿＿＿＿.该实验的对照处理是＿＿＿＿＿＿＿＿。
（5）实验
、III、IV的结果表明，B叶的生长与A叶的关系是: ＿＿＿＿＿＿＿＿＿＿＿。（6）研究者推测“细胞分裂素能够引起营养物质向细胞分裂素所在部位运输”。为证明此推侧，用图I所示插条去除B叶后进行实验，实验组应选择的操作最少包括＿＿＿＿＿＿
(填选项前的符号).
a．用细胞分裂素溶液涂抹A1叶
b．用细胞分裂素溶液涂抹A２叶
c．用14C-淀粉溶液涂抹A1叶
d. 用14C-淀粉溶液涂抹A2叶
e. 用14C-氨基酸溶液涂抹A2叶
f. 用14C-细胞分裂素溶液涂抹A2叶
g. 检测A1叶的放肘性强度 查看习题详情和答案>>
为了使同学们更加健康快乐地成长，学校决定向同学们征求建议。假如你是王宏，用英语给校长写一篇80个词左右的建议信。注意：文中应包含所有要点，并适当发挥；不能出现真实的校名和姓名。开头和结尾已给出，不计入总词数。
Dear Headmaster,
These days we are talking about how to have a better school life. Here are some of my suggestions. First, I hope our school will___________________________________________
______________________________________________________________________________
______________________________________________________________________________
______________________________________________________________________________
______________________________________________________________________________
______________________________________________________________________________
___________________________________________. Hope my suggestions will be helpful.
Yours sincerely,
Wang Hong
为了使同学们在校园内能更加健康快乐地成长，学校决定向同学们征求建议。假如你是刘波，用英语向校长写一篇80个词左右的建议信。开头和结尾已给出，不计入总词数。
注意：1、文中应包含所给要点，并提出自己的建议，不少于三点；
2、不能出现真实的校名和姓名；
3、书写规范，卷面整洁。 答案为
Dear Headmaster,
I’m very glad to write a letter to you. These days we are talking about how to have a better school life. Here are some of my suggestions. First, I hope our school will
▲
▲
▲
▲
Hope my suggestions will be helpful. Thanks for reading my letter!
Yours sincerely,
Liu Bo
为了使同学们更加健康快乐地成长，学校决定向同学们征求建议。假如你是刘波，用英语向校长写一篇80个词左右的建议信。注意：文中应包含所有要点，并适当发挥；不能出现真实的校名和姓名。开头和结尾已给出，不计入总词数。 
Dear Headmaster,
I’m very glad to write a letter to you. These days we are talking about how to have a better school life. Here are some of my suggestions. First, I hope our school will______________________________
____________________________________________________________________________________
Hope my suggestions will be helpful. Thanks for reading my letter!
Yours sincerely,
Liu Bo