对于初级技术资格等级的无损检测人员的要求有哪些以及其职责包括哪些内容? 发布时间:2019-08-27 02:51 │ 来源:www.tikuol.com 题型:问答题 简答题 问题: 对于初级技术资格等级的无损检测人员的要求有哪些以及其职责包括哪些内容?
题型:问答题 简答题 完型填空。 A thousand years age Hong Kong was covered by a thick forest. As more and more people came to __1__ in Hong Kong, these trees were cut down and burnt. Now there is __2__ forest left, though there are still some small areas covered in trees. We call these woods. Elephants, tigers and many __3__ animals were living in the thick forest. When people came to live in Hong Kong, the __4__ began to die out. Early farmers grew rice and __5__ pigs and chickens in the valleys. They cut down the trees and burnt them. They needed __6__ to keep themselves warm in winter, to cook their food and to keep away the dangerous animals. Elephants quickly disappeared because there was not enough food for them. __7__ did most of the wolves and tigers. Monkeys and many other animals soon __8__ in the same way. You might think that there are no longer any animals in Hong Kong __9__ in the zoos. But there are still about 36 different animals __10__ there. One of the most interesting of Hong Kong's animals is the barking deer. These are beautiful little animals __11__ a rich brown coat and a white patch (补丁) under the tail. They look like deer but they are much smaller. They are less than two feel __12__. They make a noise rather like a dog __13__. In Hong Kong the barking deer has only a real enemy (敌人) — __14__. People hunt these little animals though it is illegal (违法的). There are now not many barking deer left. So it is important __15___ people to protect wild animals.( )1.A.work ( )2.A.many ( )3.A.other ( )4.A.people ( )5.A.grew ( )6.A.fire ( )7.A.So ( )8.A.lived ( )9.A.besides ( )10. A.live ( )11. A.have ( )12. A.high ( )13. A.shouting( )14. A.tigers ( )15. A.to B.study B.a few B.others B.animals B.made B.hotness B.Such B.died B.except B.to live B.without B.higher B.crying B.men B.for C.live C.no C.the otherC.plants C.got C.heat C.As C.came C.and C.lived C.with C.short C.barking C.wolves C.like D.enjoy D.not D.another D.things D.kept D.stoves (炉子) D.Nor D.left D.or D.living D.get D.shorter D.talking D.elephants D.of 查看答案
题型:问答题 简答题 将钢加热到A3以上或A1左右一定温度,保温后缓慢(一般随炉冷却)而均匀冷却的热处理方法称为退火,它可以( )。A.提高钢的硬度、提高塑性B.降低钢的硬度、提高塑性C.提高钢的硬度、降低塑性D.降低钢的硬度、降低塑性 查看答案