球罐的安装施工中,对其进行气密性试验时,压力升至试验压力后保持( )min,对所有焊 发布时间:2017-06-17 21:04 │ 来源:www.tikuol.com 题型:单项选择题 问题: 球罐的安装施工中,对其进行气密性试验时,压力升至试验压力后保持( )min,对所有焊缝和连接部位涂刷肥皂水进行检查。A.3B.5C.7D.10
题型:单项选择题 用方框中所给词的适当形式填空。from,add,part, have, frien dly,should,problem,take,fact,but Where to Eat Carol's Cafeteria 1 the most delicious food in town but there is one 2 . It's not in the most funniest 3 0f town. It 4 about fifteen minutes to walk there 5 school. My friends and I usually go to Lenny's Lunch Bar. It's closer 6 the food isn't really bad.The people at Lenny's al'so 7 than those at Carol's. In 8 Lenny's is the friendliest place in town. They have the biggest hamburgers and the best salad. 9 their pizza ls pretty bad. You 10 never have pizza at Lenny's.1. _________2. _________3. _________4. _________5. _________6.________7. _________8. _________9. _________10. _________ 查看答案
题型:单项选择题 关于孕妇身高测量的注意事项中,下列说法正确的有()。A.脱掉鞋帽和影响测量结果的头饰B.上肢自然下垂,足跟并拢,足尖分开约60°C.躯干自然挺直,头部正直D.测试人员站在被测试者左侧E.读数时测试人员双眼应与压板平面等高 查看答案