题目

某学习兴趣小组设计了明暗不同但是相通的两种环境，各放入10只鼠妇，过一段时间观察统计鼠妇的分布情况，下表是该小组重复5次所统计数据的平均值．下列相关叙述中错误的是（ ）23456789明亮74100000阴暗1316192020202020 A . 该实验过程中明暗两种环境的差异只能是光照 B . 该小组重复实验5次利于提高实验结果的准确性 C . 实验中明暗两种环境所放入的鼠妇大小可以不同 D . 该小组的实验结果说明了光照会影响鼠妇的分布假定你是阳光中学的一名学生Peter,看到学校DIY俱乐部招募新成员的海报，你想要参加。请你根据海报内容和要求写一封申请信。New members wanted!Support our workby becoming a memberSunshine Middle School is looking for new members to join the DIY Club. If you have the idea of joining us, you need to write an application letter to our chairperson. Be sure to include:·What grade are you in?·What DIY job are you good at?·Why do you want to join this club?·How can we contact you?注意:1.词数90左右，开头和结尾已经写好，不计入总词量， 2.回复须包括所有要点，可适当发挥，使短文连贯、通顺， 3.文中不得提及真实的人名、校名等相关信息。Dear Chairperson, I would like to join the DIY Club.__________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________Yours sincerely,Peter