填空题

The artificial joint with, being a good imitation of natural bone protein, can attract bone cells and become quickly incorporated into the body.

【参考答案】

a nanotube coating
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A．In a library.B．On a bus.C．In a supermarket.D．At a newspaper shop.
A．In a library.
B．On a bus.
C．In a supermarket.
D．At a newspaper shop.
填空题
The garments made of electricity-storing carbon nanotube fibers are smart in that they are bulletproof and can _______________ with sensors.
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