树皮
参考答案:
树皮是木本植物茎的形成层以外的部分。在较老的木质茎上,树皮包括木栓及它外方的死组织(统称外树皮)和木栓形成层、栓内层(如果存在)及韧皮部(统称内树皮)。
树皮
参考答案:
树皮是木本植物茎的形成层以外的部分。在较老的木质茎上,树皮包括木栓及它外方的死组织(统称外树皮)和木栓形成层、栓内层(如果存在)及韧皮部(统称内树皮)。
第二节:下面五位老师打算寻找适合各自学生的度假去处。第61至65题是他们的学生情况介绍。阅读下面六个度假地的简介(A、B、C、D、E和F),选出符合各人需要的最佳选项,并在答题纸上将该选项标号涂黑。选项中有一项是多余选项。 62.Ms Robson’s students are studying French and German. She would like them to speak both the languages at some point while they’re away. 63.Hilary’s students are fourteen years old. Some of them learn French, so she wants to find a holiday course which can offer individual language lessons for those who would like to improve their French. 64.Rose has a small group of students. They all want to sail but unfortunately some of them are unable to swim, although they’re eager to learn. 65.Mr. Pearson’s class have just started to learn German and he wants a holiday which mixes studying the language with plenty of free time to explore the foreign country. 66.John has a class of eleven-year-olds who are crazy about sports. He’d like a course which organizes a complete program including all kinds of sports, meals and entertainments. A B
C D
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