完形填空

　　Much meaning can be conveyed with our eyes, so it is often said that eyes can speak．

　　Do you have such kind of 　　1　　? In a bus you may look at a 　　2　　, but not too long．And if he is 　　3　　 that he is being stared at, he may feel 　　4　　．

　　The same is true in 　　5　　 life．If you are looked at for more than 　　6　　, you will look at yourself up and down, to see if there is 　　7　　 wrong with you．If nothing goes wrong, you will feel angry toward other’s 　　8　　 at you that way．

　　Looking too long at someone may seem to be rude and 　　9　　．But things are different when it 　　10　　 to stare at the opposite sex．If a man glances at a woman for more than ten seconds and 　　11　　 to avert(移开)his gaze, his intentions are 　　12　　, that is, he wishes to attract her attention, to make her understand that he is 　　13　　 her．

　　　　14　　, the normal eye contact for two people 　　15　　 in a conversation is that the speaker will only look at the listener 　　16　　, in order to make sure that the listener does pay attention to what the former is speaking about, to tell him that he is attentive．If a speaker looks at you continuously when speaking, 　　17　　 he tries to dominate(控制)you, you will feel embarrassing．

　　In fact, continuous eye contact is confined to 　　18　　 only, who will enjoy looking at each other tenderly for a long time, to show affection that 　　19　　 cannot express．

　　Evidently, eye contact should be done according to relationship between two people and the specific 　　20　　．