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20101若一平面倾斜与投影面，其正投影是原图形的相似形。
20102平行面上所有点与相应的投影面等距离。
20103点在线上，线在面上，则点在面上。
20104一般位置的三角形平面可能出现：一边垂直于某投影面。
20105凡垂直H面的平面一律称为铅垂面。
20106四点可以确定一个平面。
20107属于平面上的特殊位置直线是平面上的（）。
20108过一条一般位置线能作（）个侧垂面。
20109过一条正平线能作（）个正平面。
20110过一条正垂线可以作（）。
20111平面上（）线对H面的倾角，反映了该平面对H面的倾角。
20112在平面内，垂直于该平面的（）的直线，称为该平面对H面的最大斜度线。
20113过一般位置平面上的一个点，可在该平面上作（）条水平线。
20114垂直面的三面投影，有（）投影为原图形的相似形。
20115正垂面的V面投影反映与（）面的倾角实形。
20116过两交叉直线作不出互相平行的两平面。
20117投影轴（OX、OY、OZ）是相应投影面的垂直线。
20118两交叉直线同面投影的交点就是两直线交点的投影。
20119过点向直线作垂线，该垂线的投影长度就是点到直线的距离。
20120一直线反映实长的投影与另一直线的同面投影互相垂直，则两直线互相垂直。
20121垂直于铅垂线的直线都是水平行线。
20122垂直两直线的同面投影都互相垂直。
20123两直线的三对同面投影都互相平行，则空间两直线必互相平行。
20124空间两直线若不平行，必定相交。
20125铅垂线与H面的夹角等于90゜，与V面的夹角等于0゜。
20126与H面平行的直线一律称为水平线。
20127一直线段的正投影长度可以小于、等于或大于该线段的实长。
20128直线的投影是一直线上所有点在投影面上投影的集合。
20129过两点只能引一条直线。
20130若两直线中有投影面平行线，则判别该两直线的相对位置有（）种方法。
20131直线上所有点与相应投影面等距，则该线是投影面（）。
20132铅垂线AB与一般位置线CD的公垂线是（）。
20133两直线垂直相交，当其中一直线为投影面垂直线时，最多可有（）个投影反映直角。
20134直角的投影仍是一直角的必要和充分条件是直角的一条边是某一投影面的（）。
20135若一条直线既平行于V面又平行于H面，则这条直线是（）。
20136两直线在空间的相对位置关系是（）。
20137用直角三角形法求线段实长及对V面的倾角β时，应以该线段的V面投影为一直角边，以（）为另一直角边。
20138对H面倾角α=45°的直线不包括（）。
20139水平线的水平投影反映与（）面的倾角。
20140当虚线与实线相交接时，应留空隙。
20141判别重影点的可见性，是根据不重合的那个投影面上两点投影的坐标值得大小来判别，大者可见，小者不可见
20142点A的Z轴坐标等于点A到V面的距离。
20143由空间点向平面引垂线，垂足即该点在此平面上的正投影。
20144点有大小。
20145在土建施工图样中常用的投影图是：标高投影图、轴测投影图和三点透视图。
20146投影图和影子是一回事。
20147图样的比例，应为图形与实物相对应的线性尺寸之比。
20148图幅幅面形式是（）
20149当两个点的某一个同面投影相重合成为重影点时，该两个点的（）坐标值相等
20150点的H、V面投影到OX轴的距离相等，说明该点在（）
20151H面上的点，其水平投影重合于该点本身，正面投影在OX轴上，侧面投影则在（）
20152点的H面投影到投影轴（OX）的距离，等于该点到（）的距离
20153如无其他附加条件，确定点在空间的位置，至少需要点的（）投影
20154工程上常用的投影有几种（）
20155工程上应用的投影图采用的投影方法为（）
20156正投影有哪些特性（）
20157根据投影线之间的相互关系，可将投影分为（）
20158制图时常用中粗实线线宽（）
20159A2的图幅尺寸是（）
20160According to the author, what is the role that science should play?
20161The advantage/disadvantage analysis of science and technology should take into account the following elements except （）.
20162The purpose of citing the example of the Star Wars is to express the importance of （）.
20163According to the author, which of the following statements is not correct?
20164According to the text, which one of the following items could solve the problems that have appeared in the process of human civilization?
20165The issue of medical care is not one of money but one of （）.(moral)
20166Her （）was telling her that something was wrong.(intuit)
20167It is useful to continue to deepen and （）your individual skills and abilities.(broad)
20168They were （）and practical and let her stay in their houses until she found an apartment.(compassion)
20169His （）for membership of the organization was rejected.（apply）
20170Which of the following is Not included in the governments’ budgetary challenges in dealing with the potential pandemics in the future?
20171Which of the following can be used as the explanation of the word “screen” in Para.7 and 12?
20172What should governments do to prepare for the future potential pandemic according to the text?
20173Which of the following makes Covid-19 a once-in-a-century pandemic?
20174Which is Not mentioned in the text for the leaders to do in response to a public health emergency?
20175Which of the following is Not true of grade-one thinking?
20176Which of the following is Not the characteristic of grade-two thinkers?
20177What kind of thinking does the narrator “I” belong to?
20178Which of the following is Not the characteristic of grade-three thinkers?
20179What kind of thinking does Mr.Houghton belong to?
20180Which of the following is Not mentioned as one of the other pandemics we have to tackle?
20181What is true of the psychological study on the seminar students?
20182What is true about the Good Samaritan in the parable?
20183According to the speech, what have we so far learned from the pandemic?
20184According to the speech, which is Not one of the serious results of the pandemic?
20185Which theory does the author support?
20186Which of the following statement is not the doctrine of Ecological Footprint Model?
20187Economic growth might lead to the following problems except for （）.
20188The writer believes that the concept of economic growth is （）-.
20189Which word best summarizes the tone of the text towards economic growth?
20190According to the video, what good can snail secretion do in skin care?
20191Which of the following will Not possibly happen to you if you have darker skin in Korea?
20192When Korean parents give their daughter a birthday present, which of the following items do they tend to choose?
20193According to the video, why is it inappropriate to promote beauty trends to women at a young age?
20194Which country used to be the world’s center of beauty industry?
20195What is the example of a porcelain jar in the 8th paragraph used to prove?
20196Which of the following statements is Not true?
20197Which of the following statements is Not the reason mentioned in the text for the increasing amount of money spent on beautification everywhere in the world?
20198How much would be spent by American women in beauty industry yearly?
20199What do “those suppressed parts” in the last sentence of the 27th paragraph probably mean （）?
20200Which one of the following statements about “the illusions” is False? （）
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