柴油机喷油器产生积炭堵塞喷孔的现象，有可能是（）造成的。A.柴_爱下问搜题

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问题单项选择题

柴油机喷油器产生积炭堵塞喷孔的现象，有可能是（）造成的。

A.柴油机长时间怠速运转

B.空气滤清器失效

C.机油滤清器失效

D.喷油器喷油压力高

答案

参考答案：A

阅读理解

根据A、B、C三个表格所提供的信息，判断正误，正确的用A表示，错误的用B表示。

(A) I am Bob. I like school things and I have a great collection. I have three pens, five pencils, six rulers and two erasers.
They are in my pencil case, I have a nice pencil sharpener too. It's blue and it's in my backpack. I take my backpack to
school every day.

(B) I am Jimmy. I like sports and I have a sports collection. I have five soccer balls, two basketballs, five ping-pong balls,
six tennis rackets and four volleyballs. I like tennis and I play tennis with my friends every afternoon.

(C) I am Salina. I don't like school things and I don't like sports. I only like my toys(玩具).

( )1. Bob has three pencils.
( )2. Bob's pencil sharpener is blue.
( )3. Salina doesn't like sports.
( )4. Jimmy doesn't have soccer balls.
( )5. Jimmy plays basketball with his friends every afternoon.

判断题

蓄电池组的容量，应满足全所事故停电2小时的放电容量和事故放电末期最大冲击负荷容量的要求。