题干

农会原本是中共领导的以研究农学、改良农业为宗旨的组织。但在1927年7月20日,中共中央发出了农字第9号通告明确指出:“农民协会已经不是一种职业组织,而是乡村中的贫苦农民和其他小资产阶级的革命的政治联盟、农民政权。”这说明当时(    )

A:国内形势变化导致革命道路迅速转移

B:乡村民众政治利益诉求高于经济利益

C:土地革命推动乡村民主政治建设起步

D:中共重视权力重构对革命动员的作用

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D

同类题3

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     Deputy (副职) Head Teacher Wanted

     Position:Deputy head teacher

     Employer:Bracknell Forest Council

     Published:10∶00 A.M.Mon.Dec.12,2011

     Closing date:10∶00 A.M.Mon.Jan.16,2012

     Working pattern:Full­time

     Salary:£20,000-£34,999 per year

     Location:Jennett’s Park Primary School,Bracknell,Berkshire

    The governors are seeking to employ an enthusiastic deputy head teacher to be a key partner in founding and leading our brand­new primary school in Bracknell.

     We offer:

    ●a brand­new school building

    ● the opportunity to work in close partnership with the head teacher and governors to create and develop a new staff team

    ●a growing community looking forward to their new school opening

    ●the opportunity for further professional development which will support you through the next stage of your career

    ●the opportunity to lead key projects across the school

    You will be:

    ●an excellent classroom practitioner (从业人员),who will enjoy shaping and delivering a broad,balanced and creative curriculum in class

    ●able to lead the staff by focusing on teamwork

    ●committed to working in partnership with parents and the nearby community

    For further information,you can contact the head teacher,Ms Maria Soulsby,by dialing 32899918 or you can send an email to mariasoulsby @bracknell­forest.gov.uk. You can also come to visit our school in person.

     If you have not heard from us two weeks after the closing date,that means your application has not been accepted.Apply using Bracknell Forest Council application forms only;CVs (简历) will not be accepted.

    This school is committed to safeguarding and promoting the welfare of children and expects all staff to share this commitment.

    All staff employed in the school must be aware that a check on the criminal record will be done.

同类题4

生长素和乙烯与植物生长发育密切相关,请阅读相关资料,回答下列问题:

(1)生长素(IAA)和乙烯作为信号分子,都要通过与受体结合,将信息传递给靶细胞,从而对植物的生命活动起____ 作用.IAA在植物根尖的运输方向是从____ 区到____ 区从而使根伸长.

(2)1964年,科学家进行离体实验发现,当在反应体系中加入14C﹣蛋氨酸,发现有14C﹣乙烯产生,由此推测____ .在以上实验结果的基础上,1979年,美籍华人杨祥发发现,在无氧条件下,当供给植物14C﹣蛋氨酸时,检测不到乙烯产生,只有14C标记的1﹣氨基环丙烷﹣1﹣羧酸(ACC)累积,据此结果推测____ .为了证实上述假设,科学家在____ 条件下,将14C﹣ACC供给植物组织时,发现组织很快____ ,证明上述假设正确.

(3)为研究生长素(IAA)和乙烯影响植物根生长的机理,研究者以拟南芥幼苗为材料进行实验.

①实验一:研究者将拟南芥幼苗放在含不同浓度的ACC、IAA的培养液中培养,测量并记录幼苗根伸长区细胞长度,结果如下表.

组别

添加物质种类及处理浓度(µM)

根伸长区细胞长度(µm)

1

对照

175.1

2

0.20ACC

108.1

3

0.05IAA

91.1

4

0.20ACC+0.05IAA

44.2

实验结果说明,与单独处理相比较,乙烯和IAA对幼苗根伸长区共同作用时____ 

②实验二:将拟南芥幼苗分别放在含有不同浓度IAA的培养液中培养,12小时后测定幼苗根中乙烯的含量,实验结果如图所示.据图分析,可得出的初步结论是____ .

③综合上述各实验的结果可推测,高浓度生长素抑制根生长的作用最可能是通过____ 而实现的.