问题
单项选择题
柴油机供油提前角则指（）时，该缸活塞距压缩行程上止点所对应的曲轴转角。
A.喷油器开始喷油
B.喷油泵的柱塞开始供油
C.喷油泵出油阀打开
D.喷油器针阀打开
答案
参考答案：B
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柴油机供油提前角则指（）时，该缸活塞距压缩行程上止点所对应的曲轴转角。
A.喷油器开始喷油
B.喷油泵的柱塞开始供油
C.喷油泵出油阀打开
D.喷油器针阀打开
参考答案：B
William Shakespeare was one of the world’s great writers. He lived in England 21 1564 to 1616. Shakespeare is famous for his 22 and poems. His plays are all about love and feelings. Some, like Julius Caesar, are about history. 23 , like Romeo and Juliet, are about love and romance. The plays are very interesting, and the writing is beautiful. Sometimes it’s hard to understand them. English today is very different from 24 it was 400 years ago. Also, people in the plays often speak like they’re in a poem. There are many movies about Shakespeare’s plays. When you don’t have the chance to see a live play(现场演出), you can 25 one of the movies.
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