如图所示，已知两条光线，作出符合题意的光学器件（一种即可）．

完形填空。
    Hello. I'm Jenny. I have a best friend.   1 name is Amy. We are in the same school. We both can sing and dance well. She is as  2 as me.
    At school, my teachers all can make 3   happy. But we must4  white blouse with the long sleeves. I am good 5   maths and English. She 6  English. She thinks it's difficult. Yesterday we7   a party at school. We enjoyed ourselves.
    At spare time, my favourite8   is winter. I like 9  snowmen in winter. But she likes eating ice creams in summer. What a pity!
    In two months' time, we are going to go to middle school. We are very busy every day. We  10   harder than now.

如图，读济宁市简图，完成以下问题．

将一个电动传感器接到计算机上，就可以测量快速变化的力，用这种方法测得的某单摆摆动时悬线上拉力的大小随时间变化的曲线如图所示，某同学对此图线提供的信息做出了下列判断，正确的应是

给下列划线字选择正确的读音

双膝____（qī  xī）     火焰____（yán  yàn）    沼泽____（zé  zhé）

规矩____（jǔ ju）     造福____（fú  fǔ）     胆瓶____（tǎn  dǎn）