单项选择题A．nearest of all planets to the sunB．extremely hotC．little known to peopleD．biggest of all planets

单项选择题A．the demand is too lowB．the supply is too largeC．the cost is too highD．the price is changeable

单项选择题The Great Gatsby was written by _____________.

单项选择题Babbit was a petty figure created by ______________ who was the first American writer to win the Nobel Prize.

单项选择题Modern linguistics, as against traditional grammar, is ___________.