酵母菌比大肠杆菌高等，主要是因为酵母菌细胞具有（ ）

碳纳米管有许多独特的性质，如高机械强度和弹性，多孔结构能吸附气体分子．因此碳纳米管可用作(    )

①防弹衣材料        ②防火材料           ③储氢材料        ④绝缘材料

阅读下面的材料，根据要求写一篇不少于800字的文章。

    某喜剧演员在《木兰从军》小品中，身穿古装、嘴啃烧鸡走上舞台，将中国古代巾帼英雄花木兰，恶搞成贪吃、不孝、胸无大志、贪生怕死的傻大妞形象。节目中，“花木兰”因贪生怕死而不敢奔赴前线，被父亲骗去从军。在军队中，木兰因吃亏被迫上战场成为将军，回归故乡后，去世的父亲留下一封信，从信中得知因邻居恶霸看上她，父亲才骗其去当兵等等荒唐情节，严重颠覆了花木兰聪慧、孝顺、刚毅、勇敢等英雄形象。节目播出后，立即引起众多网友和观众不满，要求该演员及剧组公开道歉。

    对此，有人认为仅仅是娱乐而已，并无恶意，国外还有恶搞总统呢，因此无需道歉；有人则认为是对传统文化毫无敬畏，应该道歉。你认同哪一种看法？请根据材料，阐述你的看法和理由。要求选好角度，确定立意，明确文体，自拟标题，不要套作，不得抄袭，不得泄露个人信息。

阅读下面短文，按照句子于结构的语法性和上下文连贯的要求，在空格处填入一个适当的词或使用括号中词语的正确形式填空

    It's a Sunday morning. Jack and his father ____ on a big bus. There are many people on it. Some of them come from America and some from England and ____ (Australian). They are all friends. They are going to the Safari Zoo. ____ Chinese are on the bus. One is a man. He is the ____  (drive). He is driving the bus. The other is a young woman. She is good at ____ (speak) English. She is talking ____ the zoo. She says she likes ____ （panda）best. Because they are cute and only ____ in China. All the passengers(乘客)are listening to her. They like the zoo. It ____ them 20 minutes to get there. They want ____ (get) there soon（很快）.