压缩机气缸过热或温度不断增高主要与（）和（）有关。

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问题填空题

答案

参考答案：冷却、润滑

完形填空

完形填空（共20小题；每小题1.5分，满分30分）

阅读下面短文，掌握其大意，然后从各题所给的四个选项中，选出最佳选项。

After years of searching, a truth seeker was told to go to a cave, in which he would find a well. “Ask the well what is 36 , ” he was advised, “and the well reveal (告诉，揭露) it to you.” Having found the well, the seeker asked that most basic and important 37 . And from the depths came the answer: “Go to the village crossroad, and there you shall find what you are seeking.”

Full of 38 the man ran to the crossroad to 39 only three rather uninteresting shops. One shop was selling pieces of metal, another sold 40 , and thin wires were for sale in the third. Nothing and no one there seemed to 41 much to do with the revelation of truth.

Disappointed, the seeker returned to the well to demand an 42 , but he was told only: “You will 43 in the future.”

As years went by, the 44 of his experience at the well gradually 45 until one night, while he was walking, the sound of sitar (西塔琴) music 46 his attention. It was wonderful and it was 47 with great skill and inspiration.

Deeply 48 , the truth seeker felt drawn towards the 49 . He looked at the fingers dancing over the strings. And then suddenly he let out a cry of joyful 50 : the sitar was made out of wires and pieces of metal and wood just like 51 he had once seen in the three stores.

At last he understood the 52 of the well: we have already been given everything we need; our 53 is to assemble (聚集) and use them in the proper way. Nothing is 54 so long as we recognize only fragments (碎片). But as soon as the pieces are put together, something new appears, whose nature we could not have 55 by considering the fragments alone.