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One afternoon, I went to pick up my mother from work.I got there a little early, so I _______ (41) my car by a small park, and _______ (42) for her.
As I looked outside the car window, I saw a little boy, around two years old, running _______ (43) on the grass as his mother _______ (44) from a short distance. The boy had a big smile on his face as if he had just been ______ (45) free from some sort of prison .The boy would then fall to the grass , (46) up , without looking back at his mother , run as_______ (47) as he could ,again , still with a smile on his face ,as if nothing had happened.
At that moment, I thought to myself , “why aren’t most adults this way ?” Most adults, when they fall down, make a big deal out of it and don’t even _______ (48) a second attempt. They would be so _______ (49) that they would not try again if someone saw them fall .Or , because they fall , they would find a good _______ (50) for themselves that they’re not fit for it . They would end up too afraid to attempt again for fear of failure.
However, with kids, when they fall down, they don’t consider their falling down as a failure, instead, they treat it as a _______ (51) experience. They try again and again until they _______ (52) .The answer must be that they have not connected“falling down” with the word “failure”. As a _______ (53), they are not discouraged in any way .Besides, they _______ (54) think to themselves that it’s quite okay to fall down and that it’s not wrong to do so. In other words ,they allow themselves to make _______ (55), so they remain energetic.
I was deeply impressed by the boy’s persistence (坚持不懈) and the manner in which he did.
| 【小题1】 |
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| 【小题2】 |
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| 【小题3】 |
|
| A.watched | B.noticed | C.surveyed | D.supported |
| A.cut | B.kept | C.found | D.set |
| 【小题6】 |
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| 【小题7】 |
|
| A.make | B.provide | C.practice | D.discover |
| A.confused | B.embarrassed | C.exhausted | D.surprised |
| 【小题10】 |
|
| A.learning | B.running | C.teaching | D.falling |
| A.progress | B.improve | C.achieve | D.succeed |
| 【小题13】 |
|
| A.hardly | B.perfectly | C.probably | D.nearly |
| A.mistakes | B.choices | C.plans | D.wishes |
(1)实验中,小明是通过观察 ▲ 来比较压力作用效果的.
(2)比较甲、乙两图所示实验,能够得到的结论是: ▲
(3)若要探究“压力的作用效果与受力面积大小的关系”,应通过比较图 ▲
所示实验.
(4)小华同学实验时将物体B沿竖直方向切成大小不同的两块,如图丁所示.他发现
它们对泡沫的压力作用效果相同,由此他得出的结论是:压力作用效果与受力面积无关.你认为他在探究过程中存在的问题是: ▲ . 查看习题详情和答案>>
(1)图4中A→D阶段,种子中的有机物逐渐减少,原因是有机物( )
A.被呼吸作用消耗了 B.被光合作用消耗了
(2)图4中E→F阶段,幼苗体内的有机物又逐渐增加,原因是( )
A.根从土壤吸收了有机物 B.叶的光合作用制造了有机物
(3)以下哪幅图能表示图中A→F过程,有机物含量变化的情况( )
(4)进一步研究发现,若该项实验始终在黑暗中进行,有机物含量不断减少,原因是:
① , ② 。 查看习题详情和答案>>
请你帮你的外国朋友Lily给她新交的笔友王平写一封e-mail,信中要有Lily的个人情况,学习情况以及她们国家的万圣节(Halloween)的情况。请你根据所给的提示,帮Lily 完成这封信。
提示:1. 出身在英国,戴眼镜,有一头金黄色的长头发;
2. 擅长游泳和跳舞,乐于助人。喜欢眼保健操和课外活动;
3. 学习用功,最喜欢的学科是语文和英语,读书俱乐部的一员;
4. 玩“不招待就使坏”的游戏,给糖果作为款待;
5. 穿带有面具的特别的戏服,举行万圣节晚会。
要求:1. 语法正确,意思连贯,书写规范,要点齐全,适当拓展;
2. 80个词左右,开头和结尾已经写好,不计入总词数。
Dear Wang Ping,
How are you? I’ll tell you something about myself and Halloween.
____________________________________________________________________________
____________________________________________________________________________
____________________________________________________________________________
____________________________________________________________________________
Yours,
Lily
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(1)玉米和水稻很难利用常规杂交手段杂交的原因是 。
(2)获得PEPC基因后,将其导入土壤农杆菌的质粒中,以获得重组质粒,需要的工具酶
是 和 。
(3)玉米PEPC基因在水稻细胞中成功表达的标志是 ,该过程包括 和 两个阶段。
(4)该技术定向改变了水稻的性状,这在可遗传变异的来源中属于___ _____。 查看习题详情和答案>>