线绳浸渍胶浆操作过程中要求各种型号线绳卷取到锭子的最外一层与锭子边缘不能小于()mm

题型:单项选择题

问题:

线绳浸渍胶浆操作过程中要求各种型号线绳卷取到锭子的最外一层与锭子边缘不能小于()mm。

A.15

B.12

C.10

D.20

考点:材料科学橡胶工艺学橡胶工艺学题库
题型:单项选择题

二甲双胍的最佳服用时间是()

A.餐前

B.清晨空腹

C.餐中

D.餐后

E.睡前

题型:单项选择题

In Australia, different people have different ways to enjoy themselves. They also have their own ideas about   1  to pass time.
   2   children, about 80%, work hard in school because they have to take lots of exams. After school, they don’t want to stay at home reading books any more.   3 , they put aside their school bags and go out to play.
Some old people   4  early in the morning. Then they go to park to   5 . It helps them know what is happening around the world. In the evening, they would prefer to stay at home   rather than do anything else. 
Young people enjoy having   7  trip on weekends. They go to mountains to have a picnic or go to the   8  to camp. They usually start on Friday and spend one or two days outside. Then on   9  evening, they start their way back home.   10  seems to be in a hurry, although a busy week is waiting for them again.
小题1:
A.whatB.howC.whenD.why
小题2:
A.Some B.MostC.AllD.No
小题3:
A.HoweverB.ThoughC.InsteadD.Or
小题4:
A.get upB.come upC.stay upD.set up
小题5:
A.read newspapersB.do sportsC.enjoy themselvesD.have breakfast
小题6:
A.climbing hillsB.watching TVC.go shoppingD.going hiking
小题7:
A.boringB.busyC.tiringD.relaxing
小题8:
A.forestB.floorC.flatD.factory
小题9:
A.FridayB.SundayC.Tuesday D.Wednesday
小题10:
A.AnybodyB.SomebodyC.EverybodyD.Nobody
题型:单项选择题

一个蹲着的人如果突然站起来,会由于脑部暂时缺血而感到头晕,能用来解释这一现象的物理知识是(  )

A.惯性

B.压强

C.密度

D.力的作用效果

题型:单项选择题

用管式炉法测定含硫量时,加入估计试样中硫含量大于2%,滴定时应选用的滴定管是()mL滴定管.

A.10

B.15

C.25

D.50

题型:单项选择题

生后数年内可自行消退的血管瘤是()

A.蔓状血管瘤

B.杨梅状血管瘤

C.葡萄酒色斑

D.静脉曲张

E.海绵状血管畸形

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