某同学想探究土壤湿度对蚯蚓生活的影响,未完成,请你接着做下去. (1)提出问题:

题型:填空题

问题:

某同学想探究土壤湿度对蚯蚓生活的影响,未完成,请你接着做下去.

(1)提出问题:你认为他可以在______的环境中才能找到实验用的蚯蚓.

(2)作出假设:______.

(3)制定与实施计划:

按照科学实验的要求,他必须设计______实验,才更具有说服力.在这个实验中______是变量,要控制好.请你设计一个实验来探究土壤湿度对蚯蚓的影响:(只写出主要操作步骤)____________.

(4)得出结论:______.

(5)表达与交流:(略)

考点:科学研究方法观察实验:饲养和观察蚯蚓
题型:填空题

某药材呈不规则的片状或囊状。表面紫红色至紫黑色,皱缩,有光泽。顶端有的有圆形宿萼痕,基部有果梗痕。质柔软。气微,味酸、涩、微苦。该药材是()

A.五味子

B.瓜蒌

C.女贞子

D.枸杞

E.山茱萸

题型:填空题

“蟹舍渔村两岸平,菱花十里棹歌声”“两岸新苗才过雨,夕阳沟水响溪田”

江浙沪的长三角地区自古就有“鱼米之乡”的美誉,这主要得益于(      )

①温带海洋性气候②亚热带季风气候③竹青茶绿的丘陵地形④河湖密布的平原地形

A.①③  

B.②③   

C.①④

D.②④

题型:填空题

有些细菌能产生色素,例如光合细菌产生的光合色素存在于()

A.培养基中;

B.菌体中;

C.菌体表面;

D.粘液中

题型:填空题

加勒比岛国海地当地时间2010年1月12日16时53分(北京时间13日5时53分)发生里氏7 .0级地震。这是海地自1770年以来最严重的大地震,它使这个西半球最贫穷的国家遭受到了前所未有的打击。包括总统府和联合国维和部队驻地在内的数百栋建筑坍塌,灾后援助和重建工作任务异常艰巨。除努力自救外,海地如需向国际社会寻求长期贷款和技术援助,应该向下列哪一机构提出申请?[ ]

A
B
C
D
题型:填空题

Culture is activity of thought, and receptiveness to beauty and human feeling. (1) of information have nothing to do with it. A merely well-informed man is the most useless (2) on God’s earth. What we should (3) at producing is men who (4) both culture and expert knowledge in some special direction. Their expert knowledge will give them the ground to start (5) , and their culture will lead them as (6) as philosophy and as high as (7) We have to remember that the valuable (8) development is self-development, and that it (9) takes place between the ages of sixteen and thirty. As to training, the most important part is given by mothers before the age of twelve.

In training a child to activity of thought, above all things we must (10) of what I will call "inert ideas"—— that is to say, ideas that are merely (11) into the mind without being (12) , or tested, or thrown into fresh combinations.

In the history of education, the most (13) phenomenon is that schools of learning, which at one epoch are alive with a craze for genius, in a (14) generation exhibit merely pedantry and routine. The reason is that they are overlade with inert ideas. Except at (15) intervals of intellectual motivation, education in the past has been radically (16) with inert ideas. That is the reason why (17) clever women, who have seen much of the world, are in middle life so much the most cultured part of the community. They have been saved from this horrible (18) of inert ideas. Every intellectual revolution which has ever stirred humanity (19) greatness has been a (20) protest against inert ideas.

17()

A.unrefined

B.unintended

C.unrestrained

D.uneducated

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