填空题

To be a good teacher, you need some of the (36) of a good actor. You must be able to hold the attention and interest of your (37) ; you must be a clear speaker, with a good, strong, (38) voice; and you must be able to act what you are teaching, to make its meaning (39) comprehensible.
Watch a good teacher, and you will see that he does not just sit (40) before his class: he stands the whole time he is teaching; he walks about, using his arms, hands and fingers to help him in his (41) . Listen to him, and you will hear the (42) , the quality and the musical note of his voice always changing according to what he is talking about.
The fact that a good teacher has some of the qualities of a good actor doesn’t mean that he will (43) be able to act well on the stage. (44) . The actor has to speak words which he has learnt by heart; he has to repeat exactly the same words each time he plays a certain part, even his movements and the ways in which he uses his voice are usually fixed beforehand. (45) .
A good teacher works in quite a different way. His audience takes an active part in his play: they ask and answer questions, they obey orders, and if they don’t understand something, they say so. The teacher therefore has ’to suit his act to the needs of his audience, which is his class. (46) .