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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>>
短文填空 (共10分,每空1分)
|
come, fall, sit, look, be, walk, jump, sell, hear, drop |
根据短文内容,用方框中所给词的正确形式填空,使短文完整、正确。(每个词只能用一次)(共10分,每小题1分)
Early in the morning, Mr. Black was carrying a big basket of cabbages to the market. She hoped 1.___them to the people from town.
The mountain road was narrow(狭窄的)and the old woman 2.___carefully. Suddenly she 3.___a loud bell. It passed her and very fast down the hill. The old woman had to 4.__to one side of the road so quickly that the basket of cabbages nearly 5.___into the valley.
She saw a young boy 6..___on the bicycle without even 7.___round to see if the old woman was all right.
The old woman shouted, 8.___back.”
“What 9.___it?” the boy asked impolitely, pushing his bike towards the old woman.
“What did I drop?”
“Little boy, you 10.___your manner.” The old woman answered.
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| come, fall, sit, look, be, walk, jump, sell, hear, drop |
Early in the morning, Mr. Black was carrying a big basket of cabbages to the market. She hoped 【小题1】___them to the people from town.
The mountain road was narrow(狭窄的)and the old woman 【小题2】___carefully. Suddenly she 【小题3】___a loud bell. It passed her and very fast down the hill. The old woman had to 【小题4】__to one side of the road so quickly that the basket of cabbages nearly 【小题5】___into the valley.
She saw a young boy 【小题6】.___on the bicycle without even 【小题7】___round to see if the old woman was all right.
The old woman shouted, 【小题8】___back.”
“What 【小题9】___it?” the boy asked impolitely, pushing his bike towards the old woman.
“What did I drop?”
“Little boy, you 【小题10】___your manner.” The old woman answered. 查看习题详情和答案>>
鱼,我所欲也;熊掌,亦我所欲也。二者不可得兼,舍鱼而取熊掌者也。生,亦我所欲也;义,亦我所欲也。二者不可得兼,舍生而取义者也。生亦我所欲,所欲有甚于生者,故不为苟得也;死亦我所恶,所恶有甚于死者,故患有所不辟也。如使人之所欲莫甚于生,则凡可以得生者何不用也?使人之所恶莫甚于死者,则凡可以辟患者何不为也?由是则生而有不用也,由是则可以辟患而有不为也。是故所欲有甚于生者,所恶有甚于死者。非独贤者有是心也,人皆有之,贤者能勿丧耳。
【小题1】指出文中的通假字并解释。(2分)
通 解释
【小题2】下列画线词的意义完全相同的一项是( )(2分)
A.屋舍俨然 舍鱼而取熊掌者也
B.故患有所不辟也 且人患志之不立
C.非独贤者有是心也 是进亦忧,退亦忧
D同舍生皆被绮绣 是故所欲有甚于生者
【小题3】根据文段内容填空。(4分)
⑴选段中,作者将 比作鱼,将 比作熊掌,提出了他的主张:当二者不能两全时,应
⑵孟子说:“富贵不能淫,贫贱不能移,威武不能屈,此之谓“大丈夫”与文段中的“ ”这个词含义相同。
【小题4】翻译下面的文言语句。(4分)
(1) 由是则生而有不用也,由是则可以辟患而有不为也。
(2)非独贤者有是心也,人皆有之,贤者能勿丧耳。
【小题5】孟子认为“非独贤者有是心也,人皆有之,贤者能勿丧耳。”请举出你所了解的一位“贤者”,并写出他的一句表明其气节的名句。(2分) 查看习题详情和答案>>