题目

某校科学兴趣小组在探究茎运输水分和无机盐的部位时，将带叶的枝条下端用刀片削成平整的斜面，将枝条插入盛有稀释红墨水的烧杯中，置于温暖、光照充足的地方，10分钟后取出枝条，在枝条上方横切和纵切，观察。 （1） 茎横切面上变成了红色的部位是。 （2） 用放大镜观察茎的纵切面，红色的部位从基部到顶部的变化越来越浅，造成此现象的原因是。根据句意完成已给出肖字母或汉语提示的单词，使补全后的句子意思通质，语法正确，【1】M_______is the day after Sunday and before Tuesday.【2】China is the biggest country in A_______.【3】The young man was b________ enough to save his neighbors from a fire!【4】A________ all the school subjects, English in my favorite.【5】It is very relaxing for me to_____ (躺) on a soft sofa after a long time study.【6】It's a_____(健康的) habit to do some exercise every day.【7】Many classic Chinese poems are_______(广泛地) spread in the world.【8】Wang Feng showed his super__________(记忆力) in the program Super Brain