单项选择题
A．He enjoyed it as a whole. B．He didn’t think much of it. C．He didn’t like it at all. D．He liked some parts of it.
A．By going on a diet. B．By having fewer meals. C．By doing physical exercise. D．By eating fruit and vegetables.
A．Man will probably be able to live there in 200 years. B．Scientists are rather pessimistic about it. C．Man will probably be able to live there in 100,000 years’ time. D．Scientists are optimistic about overcoming the difficulties soon.