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18401按节理的成因分类，节理可分为（）。
18402褶曲的基本形态有背斜和向斜两种。
18403褶曲的主要要素有核、翼和轴面。
18404根据两翼产状，褶曲可分为（）。
18405褶皱的基本单元（）。
18406倾角是指岩层面与水平面之间的夹角,即倾向线和它在水平面上投影的夹角，它表示岩层倾斜的程度。
18407岩层的的排列情况有水平岩层和直立岩层两种。
18408倾斜岩层露头宽度的影响因素有（）。
18409岩层的产状要素有（）。
18410构造运动的基本形式是垂直运动和水平运动。
18411水平运动和垂直运动的关系是完全对立的。
18412盆地是由构造运动中的垂直运动引起的。
18413引起岩石变质的因素包括温度、压力和化学性活动流体三个方面。
18414引起岩石变质的压力有动压力和静压力两种。
18415岩石的成因有三种，下面属于变质岩的是（）。
18416变质岩的主要特征是（）。
18417沉积岩的结构包括（）。
18418沉积岩形成过程中的作用有（）。
18419沉积岩的主要特征是（）。
18420沉积岩中石灰岩的结构为（）。
18421岩浆岩的产状是指岩浆岩体的形状和大小。
18422侵入岩按侵入的程度分为深层侵入岩和浅层侵入岩。
18423岩浆的类型有（）。
18424岩石按成因分为（）。
18425硅酸盐类矿物是自然界中最主要的矿物。
18426矿物的分类方法有矿物成因分类法和晶体化学分类法两种。
18427根据矿物形成的原因矿物可分为原生矿物、表生矿物和变质矿物。
18428矿物的特异性质包括磁性、导电性、发光性和放射性。
18429矿物的物理性质课归结为三大类，分别为（）。
18430矿物的光学性质包括（）。
18431晶质矿物按照是否可以肉眼观察一般可以分为显晶质和隐晶质。
18432矿物的外部形态由矿物成分决定。
18433矿物的形态包括矿物单体和集合体。
18434矿物的化学式包括实验式和晶体化学式。
18435研究地质年代，应从地层入手。
18436根据引起地质作用的能量来源不同，分为内力地质作用和外力地质作用。
18437内力地质作用是由地球内部能量引起的，表现为地壳运动、岩浆作用、变质作用和地震。
18438地球表面最主要的能量来源是太阳。
18439地球内部的圈层分为（）。
18440大气的垂直分层为（）。
18441地貌学是研究地球表面的形态特征、结构、成因及其发生、发展和分布规律。
18442地质学的研究对象是地球，目前仅局限于地球的表层部分，即（）。
18443Before creating charts for your presentations, you should determine what data you’re going to show and design the visuals（）.
18444The best way to present your data in a pie chart is（）.
18445If people try to describe diagrams clearly, they should（）.
18446Line graphs represent（）.
18447（）are designed to visualize how a whole is divided into various parts.
18448It’s perfectly fit for people to（）to describe trends, to make a comparison or to show relationships between two or more items.
18449What are the two most effective strategies mentioned in this lecture for presenting data and graphs?
18450Qualitative data is information that（）.
18451Research data is collected for（）in order to produce original research results.
18452The presenter can（）so that the audience have enough time to take notes.
18453People can begin with an amusing story in the introduction, in order to（）.
18454At the end of the presentation, the presenter can also provide（）.
18455Remember to（）because the presenter only has a limited amount of time for the presentation.
18456It is helpful for the presenter to（）while making a conclusion.
18457When the presenter announces to end the presentation, he had better（）.
18458In fact, the entire presentation can depend on（）the presenter makes.
18459Which part of the presentation do the audience tend to remember?
18460When people use（）such as a signal to the end, it can make the structure much clearer.
18461Sometimes it is usual to go so in-depth on topics the presenter knows well that（）.
18462To outline the key points of the topic can（）.
18463（）is the most important part of the presentation.
18464It’s good to use（）to make the introduction easy to understand.
18465The introduction should include the name,（）and sometimes the reason why the person is an expert on his topic.
18466At the beginning of a presentation, the presenter（）.
18467If the presentation is short, the presenter（）.
18468What will add clarity to your argument?
18469How many key points would be sufficient, if people plan to make a 10-15-minute presentation?
18470How do I respond to questions when you make a presentation?
18471How should I speak when I make a presentation?
18472How should I stand when I make a presentation?
18473What should I do to attract the audience’s attention?
18474If possible, you’d better get familiar with the following elements about the actual room, except（）.
18475You can keep your presentation visually engaging because the audiences（）.
18476Because audiences have short attention spans, you’d better（）.
18477In order to keep focused, you should not make your presentation（）.
18478When you do presentations, you should use discourse markers to serve the following purposes except（）.
18479Model adjectives can help audience understand the（）of the presenter.
18480Which of the following sayings is more formal?（）
18481While doing presentation you should try your best to make it（）.
18482A presentation doesn’t sound natural because（）.
18483（）can use tone to add emotional context.
18484There is more need for（）to explain things clearly and unambiguously.
18485（）tends to be more complex and intricate.
18486（）is used for immediate interactions.
18487（）can correct themselves and change their utterances as they go along.
18488What moments of a presentation are precious?
18489What is the best way if you want to know what to keep and what to cut from your introduction?
18490（）is effective when trying to connect with an audience.
18491In order to ensure the introduction sounds authentic, the introducer should（）.
18492If you are an outsider to the audience, it’s much better that the person introducing you is（）.
18493When you introduce yourself in academic settings, you（）.
18494There are some helpful tips for self-introduction except（）.
18495Your self-introduction speech should be（）.
18496A monologue, as a form of self-introduction speech, means（）.
18497The self-introduction speech is usually called at（）.
18498PID控制器由于积分环节的引入，可以改善系统的（）性能。
18499关于系统频域校正，一个设计良好的系统，相角裕度应为45度左右。
18500若最小相位系统的稳定裕度不够大，可以采用增加串联超前校正装置或串联滞后校正装置提高系统的稳定裕度。
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