在气缸上部听到“当当”敲击声,可判断是活塞销与连杆小端间隙()。A、过小 B、小 C、大

题型:单项选择题

问题:

在气缸上部听到“当当”敲击声,可判断是活塞销与连杆小端间隙()。

A、过小

B、小

C、大

D、过大

考点:农机修理工考试农机修理高级工农机修理高级工题库
题型:单项选择题

Every day cars kill or hurt many people on roads. Sometimes the drivers drive too fast or do not drive c  1  enough. Some of them break the traffic rules and cause accidents.

According to some researches, it is usually the pedestrians(行人)who cause the accidents. A lot of road users are very careless. They walk or run a  2 the roads in front of the cars. They walk in the roads but not on the walkways. They get i  3  or out of cars in the middle of the road. Some do not take the trouble to wait for the green lights and s   4 cross the roads against the red lights.

Many people think accidents often h   5 in busy roads in large cities, but this is not always t  6 For example, Tokyo is one of the world’s l  7  cities and probably one of the busiest cities; however ,there are a few a  8 to pedestrians. The reason is that the police there are very strict and the pedestrians are very careful. Pedestrians never cross against a red light and they always f  9 traffic rules.

Do you know alcohol(酒精)is a  10  main cause of traffic accidents? It delays people’s response. Those who have drunk alcohol are slow in making decisions. They n  11 a few more seconds to react(反应).Alcohol drinking is e  12 dangerous for motor car drivers. It is not only drivers who may have accidents after drinking. drunken pedestrians may put their lives in danger as well.

题型:单项选择题

设某循环队列的容量为50,头指针front=5(指向队头元素的前一位置),尾指针rear=29 (指向队尾元素),则该循环队列中共有______个元素。

题型:单项选择题

操作系统是一组

A.文件管理程序

B.设备管理程序

C.资源管理程序

D.中断处理程序

题型:单项选择题

发动机正常工作时,机油温度应保持在()范围内。

A.20~30℃

B.30~40℃

C.70~90℃

D.100~110℃

题型:单项选择题

患者,男性,55岁,有高血压病史15年。昨晚聚餐饮白酒8两,回家后突感头痛剧烈,头晕,呕吐,不能站立,左侧肢体活动障碍,步态不稳。

若护士观察到该患者出现频繁呕吐,意识障碍突然加重,呼吸慢而不规则,瞳孔两侧大、小不等时,该护士在通知医生的同时,应准备给予

A.气管插管
B.静脉滴注甘露醇
C.水合氯醛灌肠
D.留置胃管、尿管
E.辅助呼吸

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