单项选择题
The leaves have been swept into huge heaps.（）
A．loads B．layers C．pyramids D．piles
单项选择题 They have the capability to destroy the enemy in a few days.（）
单项选择题 Only a small minority of the mentally ill are liable to harm themselves or others.（）
单项选择题 These are defensive behavior patterns which derive from our fears.（）
