Individual sports are run by over 370 independent governing bodies whose functions usually include __________ rules, homing events, selecting national teams and promoting international links.

单项选择题Astronauts are __________ all kinds of tests before [hey are actually sent up in a spacecraft.

单项选择题They have decided to __________ physical punishment in all local schools.

单项选择题An energy tax would curb ordinary air pollution, limit oil imports and cut the budget __________

单项选择题The toy maker produces a __________ copy of the space station, exact in every detail.

单项选择题The designer has applied for a __________ for his new invention.