无缝线路地段作业，一次起道量小于30mm，一次拨道量小于10mm时，作业轨温不得超过 发布时间：2017-06-30 20:59 │ 来源：www.tikuol.com 题型：单项选择题 问题： 无缝线路地段作业，一次起道量小于30mm，一次拨道量小于10mm时，作业轨温不得超过实际锁定轨温（）。A、±10℃B、±15℃C、±20℃D、-20℃～+15℃
题型：单项选择题 阅读理解。Here are four clothing stores. Golden Point Sell: women's clothing and accessories (配饰)Opening hours: 8:30 a.m.-9:30 p.m.Quality: GoodPrice: ￡￡￡￡Service: ★Phone: 6632225The West VillageSell: men's clothing and second-hand (二手的) clothing Opening hours: 8:00 a.m.-10:00 p.m.Quality: BadPrice: ￡￡Service: ★★★★Phone: 7632646 SportsWorld Sell: sports clothing Opening hours: 9:00 a.m.-9:00 p.m.Quality: Very goodPrice: ￡￡￡Service: ★★★Phone: 7799365 The Cross Sell: children's clothing and accessoriesOpening hours: 8:30 a.m.-7:30 p.m.Quality: Best Price: ￡￡￡Service: ★★Phone: 7246911Notes: ￡means the cheapest; ￡￡￡￡means very expensive. ★means friendly; ★★★★means the friendliest.根据以上内容，选择最佳选项。1. In Golden Point you can buy _____.A. women's clothing B. men's clothing C. second-hand clothing D. children's clothing 2. The West Village has _____.A. the best quality B. the best service C. the worst service D. the most expensive clothes3. If you want to learn about children's accessories, you can call _____.A. 6632225 B. 7632646 C. 7799365 D. 72469114. The opening hours of _____ are the longest.A. the Cross B. Sports World C. the West Village D. Golden Point5. The most expensive store _____.A. has the best quality B. has the friendliest service C. opens earliest each morning D. sells women's accessories 查看答案
题型：单项选择题 上海变通大学物理系李贻杰教授带领的科研团队历时三年，成功研授了具有我国自主知识产权的百米级第二代高温超导带材，实现了新的突破。这表明 [ ]①任何事业的成功需要良好的合作，更需要发扬团队精神 ②个人的智慧和力量是有限的，团结的集体更有凝聚力和战斗力 ③集体中的每个成员需要各尽所能，发挥所长，奉献集体 ④只要通力合作，就能战胜一切科技难题A．①②③④ B．①②④ C．①③④ D．①②③ 查看答案