对需要镗缸修复的发动机,镗缸加大一般分六个级别,每个级别为() A.0.25mm B

题型:单项选择题

问题:

对需要镗缸修复的发动机,镗缸加大一般分六个级别,每个级别为()

A.0.25mm

B.0.05mm

C.0.5mm

考点:机动车维修技术汽车检测与维修汽车检测与维修题库
题型:单项选择题

用方框中所给词的适当形式填空,使短文完整正确。

old,  shoe,  stand,  foot,  pick,  small,  feel,  clear,  need,  use

Learn to share(分享)

One day, while I was sitting in my car in a parking area, I noticed a young boy in front of my car. "What is the boy doing?" I asked myself and looked closely. "Oh, he is 小题1: ________ up a coin from the ground. " When he 小题2:_______ up, we saw each other 小题3:______ , He was not 小题4:___  than ten and was wearing one blue glove(手套) and One brown glove. His coat was too 小题5:  ___ for him.

As he walked away, I saw his 小题6:________, which were too old to wear, I rolled down my window and called him over.

1 asked him if he小题7:_____ some money.  He replied, "No. That’s okay. "

The parking area was wet, 1 could tell that his 小题8:______ were cold because he kept moving his weight from one foot lo the other,

"Please," 1 held Out a five-dollar bill(钞票). "It’s not much, but when the money is shared, it is much more 小题9:_______ . " I said.

He look off one of his gloves and took the money from my hand. His small hand was red and cold.

He smiled and went away after saying "Thank you!" to me. That smile made me 小题10:_____  warm in the cold winter.

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办理保兑仓业务时,经销商评级可采用对应的生产商的信用等级。

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物流服务信息收集、分析的具体方法主要有()

A.服务组合测定

B.发现顾客与企业间的节点

C.分析顾客需求

D.定点超越分析

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在慢性粒细胞性白血病(CML)患者染色体组中发现有费城染色体,其产生的融合蛋白导致了癌基因活化,这种癌基因的激活方式属于()

A.DNA甲基化

B.基因重排

C.基因扩大

D.点突变

E.插入突变

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NT855型柴油发动机活塞销与连杆衬套之间的使用极限间隙为()。

A.+0.050~+0.070mm

B.-0.050~+0.070mm

C.+0.50~+0.70mm

D.+0.050~-0.070mm

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