单项选择题
Which of the following is NOT true about the sloth （）
A．The sloth does not eat any meat B．For most of its time, the sloth remains motionless on the ground C．To some extent, the sloth is protected by the moss growing on its body D．The sloth has a brown fur of its own
单项选择题 30（）
单项选择题 The author's purpose in writing the passage is （）
单项选择题 Which of the following is NOT mentioned or implied by the author（）
