联结心主血脉和肺司呼吸的中心环节是（）A.元气 B.宗气 C.心气 D.肺气 发布时间：2017-07-09 08:10 │ 来源：www.tikuol.com 题型：单项选择题 问题： 联结心主血脉和肺司呼吸的中心环节是（）A.元气 B.宗气 C.心气 D.肺气 E.肝气
题型：单项选择题 从方框中选择合适的句子填入文中空白处，使对话完整。A: Good afternoon, 1_____ B: Good afternoon! I'd like to buy a T-shirt. A: We have some great T-shirts in all sizes. 2_____ B: Size M. A: What about the color? B: I like blue best. A: Size M, blue one. Here you are. B: Can I try it on? A: 3_____ Is it all right?B: Yes it is. 4_____ A: 56 yuan . B: I think it's a little expensive. Would you mind giving me a cheaper one? A: Not at all. What about this one? It's only 35 yuan. B: OK. 5_____A: Thank you. A. How much is it? B. What size do you wear?C. Can I help you? D. I'll take it. E. Certainly. 查看答案
题型：单项选择题 下列关于数组定义语句不正确的A．int[]a1，a2；B．int a[]={1，2，3，4，5}；C．double[] d=new double[8]；D．float f[]=new {2.0f,3.5f,5.6f,7.8f}； 查看答案