问题 填空题 案例分析题

分析有关科学探究的资料,回答问题。

赤霉素能促进豌豆茎节间的伸长,生长素也可以促进茎的伸长。某同学设计了如下的实验,探究赤霉素与生长素具有协同作用(是指两种或多种物质协同地起作用,其效果比每种物质单独起作用的效果之和大得多的现象)。实验处理和实验结果如图所示。

(1)实验假设:略。

(2)将下列实验步骤补充完整。

第一步:不同标号的培养皿中分别加入相同培养液和不同试剂(加入试剂种类填上图空白处)。

第四步:()测量茎切段长度一次,并计算每组茎切段伸长的平均值,直至实验第48h。

答案

参考答案:每隔12 h

填空题
完形填空

(1) So long as teachers fail to distinguish between teaching and learning, they will continue to undertake to do for children that which only children can do for themselves. Teaching children to read is not passing reading on to them. It is certainly not endless hours spent in activities about reading. Douglas insists that “reading cannot be taught directly and schools should stop trying to do the impossible”.

(2) Teaching and learning are two different processes. _________ in function and in kind. The function of teaching is to create the conditions and the climate that will make it possible for children to devise the most efficient system for teaching themselves to read. Teaching is also public activity. It can be seen and observed.

(3) Learning to read involves all that each individual does to make sense of the world of printed language. Almost all of it is private, for learning is an occupation of the mind, and that process is not open to public observation.

(4) If teacher and learner roles are not interchangeable, what then can be done through teaching that will aid the child in exploring knowledge? Smith has one principal rule for all teaching instructions. “Make learning to read easy, which means making reading a meaningful, enjoyable and frequent experience for children.”

(5) When the roles of teacher and learner are seen for what they are, and when both teacher and learner fulfill them appropriately, then much of the pressure and feeling of failure for both is eliminated. Learning to read is made easier when teachers create an environment where children are given the opportunity to solve the problem of learning to read by reading.

小题1:What is the main idea of the passage?  ( no more than 8 words)

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小题2:Fill in the blank in Paragraph 2 with proper words.  (no more than 3 words)

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小题3: What does the underlined word “them” in Paragraph 5 refers to?  (2 words)

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小题4:. How does the author develop Paragraph 4?  (no more than 4 words)

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小题5:What does it mean according to the author if teachers can enable students to develop their own way of reading? (no more than 8 words)