Judging from the last paragraph of this article, we can see that the author thinks people

elp Japan, he uses a(n)______tone in his writing.

A．narrative

B．sarcastic

C．ambiguous

D．argumentative

The underlined word "unmanned"(Para. 4)is NOT RELATED in meaning to______.

A．robotic

B．inhumane

C．pilotless

D．driverless

According to the author, the nuclear industry generally______.

A．maintains that failure is always inevitable

B．holds that success is not always impossible

C．tends to think success is not always possible

D．doesn"t like the idea that failure is optional

Which of the following statements is in conformity with Murphys Law?

A．Everything that can go right will remain right.

B．Anything that can go wrong is bound to go wrong.

C．Things that can go wrong may not necessarily do so.

D．Almost everything that may go right will stay right.

The authors attitude towards 3D printing is______.

A．curious

B．guarded

C．advocating

D．objective

What can be inferred from the last paragraph?

A．Additive manufacturing may render cities obsolete.

B．The relation between urban and rural areas will be upturned due to 3D printing.

C．Factory and mass production is bound to disappear.

D．Should factory disappear, urbanization would still be in process.

According to the text, additive manufacturing has a tendency to______.

A．duplicate the achievement of industrial revolution in the 18th century

B．eradicate factories and mass production

C．centre open-source design as its core

D．encourage infringements on intellectual properties

How 3D printing works shows that______.

A．small items can be made in the corner of an office

B．it is currently the preserve of hobbyists in academic and industrial niche

C．additive manufacturing is too complicated to be popularized at present

D．the blue print of 3D printing has to be designed three-dimensionally

The merits of 3D printing do NOT include______.

A．decrease of production costs

B．diminishing economies of scales

C．reducing the risk of inventors

D．decentralizing business

According to Robert Half Technology, increased IT hiring is mainly due to______.

A．the largest firms increasing their business

B．business expansion in New England states

C．more demand for Help desk/end-user support

D．specialization at the largest IT firms