A.Children have to walk longer distances to school.
B.The education system has got much worse.
C.Things aren’t as hard as they once were.
D.It hasn’t changed much at all.

A.Children have to walk longer distances to school.
B.The education system has got much worse.
C.Things aren’t as hard as they once were.
D.It hasn’t changed much at all.

A.Having conquered everything, the robots have humans do low-skilled physical and highly skilled complex mental jobs.
B.Humans will do low-skilled physical and highly skilled mental job after having the robots conquer everything.
C.Letting the robots conquer everything, humans will have to do low-skilled physical and highly skilled mental jobs.
D.Before doing low-skilled physical and highly skilled complex mental jobs, humans have the robots conquer everything else.

A.Problems in which rules do not currently exist cannot be solved by computers.
B.People cannot solve computers problems in which rules do not currently exist.
C.Problems in which rules do not currently exist have to be solved by computers.
D.People have to solve problems in which rules do not currently exist by computers.

A.Because intelligence is not naturally or artificially selected, no new generation becomes smarter.
B.Each new generation becomes smarter as there is no selection of natural or artificial intelligence.
C.Thanks to natural or artificial selection of intelligence, each new generation becomes smarter.
D.Each new generation becomes smarter when intelligence is naturally or artificially selected.

A.An electronic brain depends on a large computing machine for its operations with electronic devices.
B.A large computing machine depending primarily on electronic devices for its operation is known as an electronic brain.
C.A large computing machine depends on an electronic brain for its operations with electronic devices.
D.Depending on electronic devices primarily for its operations is a large computing machine as an electronic brain.

A.study deep learning
B.release ultrasound
C.diagnose breast cancer
D.produce medical devices

A.
B.
C.
D.

A.persons
B.controls
C.fingers
D.hands

A.equipment
B.devices
C.aids
D.contribution