The invention of the microchip _______ a new generation of computers.A、announcedB、spoke

A．The invention of machine.

B．The invention of the alphabet.

C．The invention of rockets.

D．The invention of agriculture.

A.国王

B.发明

C.仁慈

A．Y

B．N

C．NG

A.invention

B.conversation

C.vocation

D.vacation

Through Berners-Lee's invention, all his family members and colleagues have become rich.

A．Y

B．N

C．NG

To Britons, mobile phones have been the greatest invention in the past decade.

A．Y

B．N

C．NG

A.fail

B. failure

C. succeed

D. happy

The best title of this passage would be ______.

A．Hovercraft

B．The Invention of Hovercraft

C．The History of Hovercraft

D．The Principle of the Operation of Hovercraft