A．enhanceB．improveC．haveD．develop
A. enhance
B. improve
C. have
D. develop
查看答案
A．advantageB．distinctionC．deficiencyD．necessity
A. advantage
B. distinction
C. deficiency
D. necessity
A．LogicallyB．SubsequentlyC．UnfortunatelyD．Inefficiently
A. Logically
B. Subsequently
C. Unfortunately
D. Inefficiently
The purpose of Mr. Saunders' visit is to
A. make a business report to the woman.
B. be interviewed for a job in the woman's company.
C. resign from his position in the woman's company.
D. exchange stock market information with the woman.
从文中看，纳米科技的意义不包括以下哪一项()
A. 纳米科技的最终目标是人类按照自己的意志任意操纵单个原子、分子，制造出具有特定功能的产品。
B. 纳米科技给我们揭示了一个可见的原子、分子世界，人们认识、改造微观世界的水平提高到了前所未有的高度。
C. 纳米技术可运用于空气净化过滤。
D. 纳米科技还被运用于一些楼盘的内外墙粉刷、医院手术室器材和汽车后视镜等方面。
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