如图所示，用方向不变的力F，将杠杆从A位置匀速提升到B位置的过程中，F的大小变化情况有（　　）

下列词语使你联想到了什么成语?照样子，在括号里写下来。

例：大海——波澜壮阔

谈心——____    失败——____    蔺相如——____

责任——____    吃惊——____    于  谦——____

选择最恰当的词，并用其正确形式填空，每词限用一次。

    It was Mother's Day, Nancy was 800 miles away from her parents, so she was a little ____ . In the morning she ____her mother to wish her a happy Mother's Day, and her mother told her about the beautiful flowers in the garden. Later that day, ____  she told her husband about the flowers, he said, "I know where we can find all that you want. Get our children Peter and Lily, and come on." So they went, ____  down the country roads.  
     There on a ____  , they saw a lot of beautiful purple flowers. Nancy ran ____    to enjoy the flowers. Carefully, she picked a few here and a few there. And on their way home, there was a big smile ____ her face.
     When they were passing a nursing home, she saw an old granny sitting in a chair. The granny had ____ children with her. They stopped the car and Nancy walked to the old woman, put the flowers in her hands, and smiled at her. The old granny ____  her again and again. She smiled happily, too.
     When Nancy ____ to her car, her children asked her, " Who is that old granny? Why did you give our flowers to her?”
" I do't know her.” Nancy said, "But it's Mother's Day, and she is alone. But I have both of you, and I still have my mother. Just think how much those flowers meant to her.

张强同学非常喜欢文学，他的作文经常被老师在班里当作范文供大家欣赏学习，所以，张强觉得自己在写作方面有潜力，于是他打算开发自己在写作方面的潜力。他请朋友为自己画了一幅漫画“我将成为优秀作家”的漫画像，时刻提醒自己“我将成为优秀作家”，“我一定会成功”等，还坚持每天写日记。

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