当油机在运行中，机油压力逐渐降低时，应（）。
A.立即停机检查
B.立即加注机油
C.调整调压阀
参考答案：A
补全对话。
A: Do you like carrots ?
B: Yes, I __1__. I like all __2__.
A: __3__ __4__ broccoli? Do you like broccoli?
B: Yes, I do. Do you like vegetables?
A: No, I __5__ like vegetables. But I like fruit.
B: How about apples? I don't like apples.
A: __6__ , I like apples. And you know __7__ I really like?
B: What?
A: Ice cream!
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