【简答题】现在全球都把发展新兴产业作为优先发展的重点,而培育战略性新兴产业必须遵循基本的规律,要注意克服技术瓶颈、市场瓶颈、产业链瓶颈和政策的短期行为。一哄而上、过度重复建设的行为 ( ) 1 说明市场调节具有自发性、盲目性和滞后性弊端 2 会导致资源配置效率低下、资源浪费 3 会导致社会经济不稳定,发生经济波动和混乱 4 会造成收入分配不公,收入差距拉大,甚至导致严重的两极分化 A . 12 B . 23...
【判断题】汽油喷射系统高效清洁剂能随燃油流动,自动清除、溶解燃油系统中的胶质、积炭等有害物质,使用时按说明书要求的用量直接加入油箱内就可以了
【单选题】听力原文:M: I'm getting worried about Jennifer. All she talks about these days is her volleyball team and all she does is practice. W: Her grades will fall for sure. Let's try to find her after dinner and...
A.
They will tell Jennifer to practice volleyball harder.
B.
They will tell Jennifer not to fall behind others in volleyball.
C.
They will tel1 Jennifer not to fall behind others in study.
D.
They will tell Jennifer about her grades.
【单选题】听力原文:M: How about my food? I've been sitting here for about half an hour. W: I'm sorry, sir. It must be ready by now. Q: Where does this conversation take place? (3)
【单选题】非处方药遴选的主要原则是
C.
临床必需、安全有效、价格合理、使用方便、市场能够保障供应
D.
防治必需、安全有效、价格合理、使用方便、中西
F.
防治必需、安全有效、价格合理、使用方便、中西药并重、基本保障、临床首选、基层能够配备
【单选题】一幅地形图等高距为5m。以下哪条等高线是计曲线?
【简答题】设a={2,-1,3},b={1,3,-4}.求(2a+b)·(a-2b).