下图是一个细胞的结构图。（“[ ]”内填标号，“_____”上填文字）
（1）这是一个________细胞（填植物或动物），其依据是细胞中有[ ]。
（2）如果去掉[ ]_________，细胞的形态会发生改变。
（3）番茄的酸味物质存在于[ ]________中。
（4）含有遗传物质的结构是[ ]________。
（5）细胞分裂时，首先是图中[ ]________分裂成两个。
（1）植物 153
（2）1细胞壁
（3）5液泡（或细胞液）
（4）4细胞核
（5）4细胞核
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| Some personal characteristics play an important role in the development of one's intelligence. But people fail to realize the importance of training these factors in young people. The socalled nonintelligence factors'(非智力因素)include __1__ feelings, will, motivation, interests and habits. After a 30year followup study of 8000 males, American psychologists __2__ that the main cause of disparities in intelligence is not intelligence __3__, but nonintelligence factors including the desire to learn, will power and selfconfidence. __ 4__ people all know that one should have definite objectives, a strong will and good learning habits, quite a number of teachers and parents don't pay much attention to __5__ these factors. Some parents are greatly worried __6__ their children fail to do well in their studies. They blame either genetic factors, malnutrition(营养不良)or laziness, but they never take __7__ consideration these non-intelligence factors. At the same time, some teachers don't inquire into these reasons __8__ students do poorly. They simply give them more courses and exercises, or __9__ criticize or laugh at them. After all, these students lose self-confidence. Some of them just feel defeated and __10__ themselves up as hopeless. Others may go astray(迷途)because they are sick of learning. A __11__ of more than 1,000 middle school students in Shanghai showed that 46.5 per cent of them were __12__of learning because of examinations, 36.4 per cent lacked persistence, and consciousness and 10.3 per cent were sick of learning. It is clear __13__ the lack of improvement of nonintelligence factors has been a main obstacle(障碍) to __14__development in teenagers. It even causes an imbalance between physiological and __15__ development among a few students. If we don't start now to __16__ the improvement of nonintelligence factors, it will not only affect the development of the intelligence of teenagers, but also affect the__17__ of a whole generation. Some experts have put forward __18__ about how to improve students' nonintelligence factors. First, parents and teachers should __19__ understand teenage psychology. On this basis, they can help them to achieve the objectives of learning, __20__ their interests and toughening their willpower. | ||||
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