阅读短文，从方框中选择恰当的词语并用其适当形式填空，使短文完整、通顺。每个限用一次。

choose，think of, quiet，bring，like，idea， it，make，instead，plant

    Linda and Laura were very excited because it would be their mother's birthday next Monday. Their mother loved ____and she knew a lot about them. On Thursday, the two girls pretended (假装) that they were going out to buy eggs and bread with their father. ____they went to the plant store where their mother often went. With their father's help, they ____a plant with beautiful flowers. They were sure their mother would like ____.
    When they got home，their mother was busy in the kitchen, so they ____ carried the plant to their room. They wondered where they could put it because they wanted to give their mother a surprise on Monday. They looked around the room carefully. Finally, the two young girls had a(n) ____. They put the plant in a big box and ____it to the top of the bookcase. After it was done, they were very happy.
However, no one ____watering the plant over the next few days. They just treated (对待) the plant ____any other gift. When their mother's birthday came, they opened the box and found a dead(枯萎的) plant with dry flowers, but it still ____their mother happy.

史学界认为，14—18世纪是世界历史的转型时期。这一时期欧洲社会发生巨变，在各个领域出现了一些新现象，不断冲击着旧观念、旧制度……推动欧洲迈入近代社会。我们可以借助历史图片、历史路线图、历史文献等，研究处于转型期的西欧历史。

材料一：《蒙娜丽莎》

材料二：新航路开辟示意图

材料三：英国用“光荣革命”的非暴力手段建立了一种新的政治制度……新制度营造出一种宽松、自由和开放的环境……否则，就难以想象英国社会如何能够在18、19世纪和平地实现现代化。

——钱乘旦《世界现代化历程》

“在美洲大陆北部，有一个飘扬着星条旗的国家……这个国家出现，……演绎了大国兴起的罕见奇迹。”

——摘自电视片《大国崛起》解说词

“在权利方面，宣扬人们生来就是而且始终是自由平等的。……这些权利就是自由、财产、安全和反抗压迫。”

——摘录于北师大版初中历史教材

依据材料，请回答：

青蛙在繁殖时期特有的行为是（　　）

根据分数与除法的关系确定：分子相当于除法中的（ ），分母相当于除法中的（ ），分数值相当于除法中的（ ）。

下列现象主要与地球自转有关的是（　　）