①实现了产业结构的优化升级 ②对外开放上升到一个新层次
③企业依靠技术提升国际竞争力 ④提高利用外资的综合优势和效益
A:①③
B:②③
C:②④
D:③④
2016年12月23日,中国人民解放军海军辽宁舰编队赴西太平洋海域开展远海训练。下图为“辽宁舰编队航行路线略图”。读图,回答下列各题。
根据对话情景,填入恰当的单词。A: Good morning! Can I help you?B: Good morning! Yes, please. I think that this house is for ____ A: That's right.B: May I have a look at it?A: ____ . Come in, please.B: How long have you lived here?A:____ ten years. I have been here since 2001.B: How much does it ____ ?A: 8600 pounds.B: That's a lot of ____ !A: It's worth every penny of it.B: I like it very much. But I can't____ yet. My wife must look at it first.A: Women always have the last words.