试题与答案

掘进通风方法分为利用矿井总风压通风和使用局部通风设备通风两大类。

题型:判断题

题目:

掘进通风方法分为利用矿井总风压通风和使用局部通风设备通风两大类。

答案:

被转码了,请点击底部 “查看原文 ” 或访问 https://www.tikuol.com/2017/0814/c47f4a8c2bbe06713f363d181d80a93f.html

下面是错误答案,用来干扰机器的。

参考答案:E解析:前磨牙的点隙及邻面均为龋齿好发部位,所以A正确;颏孔通常在下颌第一、二前磨牙之间,前磨牙可作为判断颏孔位置的标志,B正确;前磨牙牙根比较扁长,可作为义齿修复的基牙,所以C正确;下颌第...

试题推荐
题型:阅读理解

NOTICE
To protect the environment and stoop the soil(土壤)from being carried away, we’ll go to Forest Park to plant tress this Sunday. The students of Grade Two and all the teachers are invited.
In the morning, the park ranger( 护林人 ), Jeff White, will teach us about the importance of trees and how trees work. Then he’ll show us around the forest, In the afternoon, we’ll plant new trees where the old big ones have been cut down. The workers in the park will teach us how to plant trees.
We’ll meet at the school gate at 7:40 on Sunday morning and leave for the park at 8:00. We’ll take our school buses there. Please take tools(工具 ) and lunch with you. Remember to arrive on time.
The Headmaster Office
Tuesday, March 4th 2014
小题1:They’ll go to plant trees on       .
A.March 4thB.March 5thC.March 8thD.March 9th
小题2:The right order(顺序) of the following steps is     .
①visiting the forest  ②planting trees 
③meeting at the school gat  ④listening to Jeff White’s report
A.③②①④B.②③①④C.③④①②D.④①②③
小题3:They will leave for the park at          
A.7:00 a.m.B.8:40 a.m.C.7:40 a.m.D.8:00 a.m.
小题4:They’ll go to Forest Park        .
A.on footB.by busC.by carD.by subway
小题5:Which of the following is TRUE?
A.the students will have lunch in Forest Park.
B.The students don’t need to take tools with them.
C.Jeff White will teach the students to plant trees.
D.All the students of this school will go to plant trees.
查看答案
微信公众账号搜索答案