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【简答题】
Many people think that the most popular way of communicating with other people is through the mouth. But what they don’t know is that actual communication using the mouth accounts for only around 10% (or even less) of all the means to communicate a message. Moreover, you can never determine the truthfulness or honesty of people by what they say alone. In fact, words expressed through the mouth often do not reflect what people really think or feel. The more reliable way you can determine their true inner feelings and thoughts is by reading their body language. Everybody communicates using these gestures and if you understand the gestures and their meanings you will be able to read people and know what they are really communicating to you. One researcher even went as far as to say that we speak to hide what’s on our minds . But gestures cannot lie. Have you ever wondered what it would be like if you can “see through” the emotions of other people? Let’s say you ask a person whether he can do an important task. He says “OK”. But deep inside, you are questioning yourself, “Is he really willing to do this job?” or “Does he have the confidence in finishing this task?” You can’t question him directly because that would be like belittling him. And even if you ask him those questions, his replies will not tell you what he really feels or thinks. So the most useful way is to observe his body language. Expressions like smiling, frowning, pouting, facial reddening, sweating, toe curling and sideways glances are visible hints that can help you make a right judgment. 1. 小题1:According to the passage, we know _______. A.words through the mouth are the most common way in communication B.body language is the quickest way to help people understand each other C.expressions are the most powerful tool to judge whether a man is confident or not D.you may know what a person really thinks with the help of reading his body language 2. 小题2:What does the underlined sentence mean in the second paragraph? A.We can express ourselves well by body language. B.We use words to prevent others knowing our true thoughts C.Spoken words can fully reflect our true self. D.We use body language to help express ourselves. 3. 小题3:The underlined word in the third paragraph can be replaced with ______. A.looking down upon B.speaking highly of C.laughing at D.believing in
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举一反三
【简答题】甲乙两运动员进行射击训练,已知他们击中的环数都稳定在7,8,9,10环内,且每次射击成绩互不影响,射击环数的频率分布条形图如下图所示,若将频率视为概率,回答下列问题. (Ⅰ)求甲运动员在一次射击中击中9环以上(含9环)的概率; (Ⅱ)求甲运动员在3次射击中至少有1次击中9环以上(含9环)的概率; (Ⅲ)若甲、乙两运动员各射击1次,ξ表示这2次射击中击中9环以上(含9环)的次数,求ξ的分布列及Eξ.
【单选题】名称选择的默认快捷键为 :
A.
h
B.
v
C.
w
D.
e
【单选题】名称选择的默认快捷键为()
A.
h
B.
v
C.
w
D.
r
【单选题】对象名称选择的默认快捷键为( )
A.
H
B.
N
C.
V
D.
M
【简答题】甲乙两名运动员的射击成绩如表所示: 甲 9.5 10 9.4 9.5 9.7 9.5 9.4 9.3 9.4 9.3 乙 10 9 10 8.3 10 9.5 10 9.8 8.7 9.7 甲运动员射击成绩的中位数是______,乙运动员射击成绩的众数是______.
【单选题】名称选择的默认快捷键为( )
A.
h
B.
v
C.
e
D.
w
【单选题】甲乙两名射击运动员各进行10次射击练习,成绩均为93环,这两名运动员的成绩方差分别是:S 甲 2 =0.23,S 乙 2 =0.05,则下列说法正确的是(  )
A.
甲比乙成绩稳定
B.
乙比甲成绩稳定
C.
甲乙两人成绩一样稳定
D.
无法确定谁的成绩更稳定
【简答题】甲乙两人进行射击比赛,在相同条件下各射击10次,他们的平均成绩均为8环,10次射击成绩的方差分别是 , ,那么,射击成绩较为稳定的是(    )。
【判断题】电容滤波器,电容越小,则滤波效果越好。
A.
正确
B.
错误
【单选题】甲、乙、丙、丁四名射击运动员参加射击预选赛,他们射击成绩的平均环数 及方差 如下表所示: 甲 乙 丙 丁 若要选出一个成绩较好且状态稳定的运动员去参赛,那么应选运动员(  )
A.
甲            
B.
乙       
C.
丙        
D.
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