高空旋转的敞开式座舱,如自控飞机、弯月飞车等,均应采用安全带,其带宽30mm左右,应采用()材料
A、尼龙编织带
B、皮带
C、人造革带
D、棉线带
参考答案:A
根据首字母提示或括号内的汉语意思拼写单词。
1. We gained a lot of p_____ from your advice.
2. Your technical _____ (援助) in the project is greatly appreciated.
3. We went to the party with our parents' a_____.
4. I want to _____ (祝贺) you with all my heart.
5. Martin decided that he had no _____ (足够的) proof.
6. Are you alone or with a c_____?
7. Only a few people have a_____ to the full facts of the case.
8. He hopes to get a good job after _____ (毕业).
不同时间测验结果的一致程度()。
A.信度
B.效度
C.内容效度
D.构想效度
E.效标效度