单选题:Which of the following statements concerning nanotechnology 题目分类:GRE 题目类型:单选题 查看权限:VIP 题目内容: Which of the following statements concerning nanotechnology research is most directly suggested in the passage? 参考答案: 答案解析:
Modern bodies are especially __________ to cancer, no doubt Modern bodies are especially __________ to cancer, no doubt because the technolo 分类:GRE 题型:单选题 查看答案
We can scarcely afford to neglect airport security in light We can scarcely afford to neglect airport security in light of the recent terror 分类:GRE 题型:单选题 查看答案
贸易壁垒又称贸易障碍。对国与国间商品劳务交换所设置的人为限制,主要是指一国对外国商品劳务进口所实行的各种限制措施。一般分 贸易壁垒又称贸易障碍。对国与国间商品劳务交换所设置的人为限制,主要是指一国对外国商品劳务进口所实行的各种限制措施。一般分关税壁垒和非关税壁垒两类。就广义而言,凡 分类:GRE 题型:单选题 查看答案