题目内容

At ____ Century, the Lycurgus Cup in Rome is an example of dichroic glass; colloidal gold and silver in the glass allow it to look opaque green when lit from outside but translucent red when light shines through the outside.

A. 3rd
B. 4th
C. 6th
D. 9th

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Which of the following is not a typical ELSI issue of nanotechnology?

A. health impact
B. environmental impact
C. how good is the nanotechnology
D. biosafety, biorisk, and biosecurity

Which of the following is not a common exposure routes for humans to take in nanoparticles and other nanomaterials?

A. via air
B. via water
C. via diet
D. via sexual contact

Zinc oxide is used to produce ______________.

A. shampoo
B. sunscreen
C. food
D. weapon

Ethicsinnanotechnologyofteninvolves:

A. thedefinitionofnanotechnology
B. concerningthescientificconsequencesofnanotechnology
C. concerningitsbearingoncultural,social,economic,environmentalandpoliticalmatters
D. safetyconcerns

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