厂修圆柱滚动轴承轴箱筒体孔内壁的圆柱度偏差应()。A.≤0.05mm B.≤0.1m

题型:单项选择题

问题:

厂修圆柱滚动轴承轴箱筒体孔内壁的圆柱度偏差应()。

A.≤0.05mm

B.≤0.1mm

C.≤0.15mm

D.≤0.2mm

考点:钳工技能考试中级车辆钳工考试中级车辆钳工考试题库
题型:单项选择题

七年级学生小胡沉迷于游戏机,一放学就到网吧打游戏,后来,干脆旷课打游戏,甚至整夜不回家,学习成绩直线下降,性格变得寡言少语。家长、班主任多次耐心教育,他却认为网吧就是让人打游戏的,它能开,我就能去,况且,我玩的的内容都是变形金刚、魔幻城堡、三国等,没有不健康的。

阅读材料,请回答:

(1)你认为小胡的想法对吗?为什么?

                                                                                                                                                            

                                                                                                                                                            

(2)你爱打游戏吗?是否和小胡一样常去网吧打游戏?今后你该怎样做?

                                                                                                                                                             

                                                                                                                                                            

(3)请你对网吧老板说几句话

                                                                                                                                                             

                                                                                                                                                             

                                                                                                                                                             

题型:单项选择题

1990年8月,某远洋客轮上发生一起军团病暴发流行。船离开港口时载有350名乘客、50名船员。8月1日前的一周内,在一次风暴中有1/7的乘客遇难。8月份第一周中,船上有30人发生军团病,其中一半很快死亡。随后的一周内又有20人发病,但无死亡。假设症状持续一个月。

8月7日(8月份第一周的最后一天)军团病的患病率是

A.0.045

B.0.075

C.0.143

D.0.150

E.用该资料不能计算

题型:单项选择题

选用适当的词组填空。

in the daytime,  e-mail me at,  broke down,  caught fire,  in need,  put it out

1. When the gas is on fire, don't try to __________ yourself. Call 119 at once.

2. The school bus __________ on the way this mornig, and many students were late for school.

3. Bats sleep __________ and hunt for food at night.

4. If you want to get more information, just __________ jakeson 1965 @ yahoo.com.

5. The school houses __________ because lightning hit them last summer.

题型:单项选择题

甲、乙是夫妻,共同共有一处房产,则( )。

A.在夫妻关系存续期间,甲乙原则上不得划分共有权的份额

B.夫妻关系结束,共同共有依然存在

C.在夫妻关系存续期间,甲出售房屋的,乙对房屋有优先购买权

D.未经乙同意,甲可以对房屋进行处分

题型:单项选择题

一名3日龄足月儿,其母患糖尿病,患儿于今日上午查体见心率175次/分。目前最需要做的检查是()

A.胸片

B.头颅B超

C.血糖

D.心脏彩超

E.头颅CT

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