Ace in the Hole
Keywords and expressions
1. sustain
作动词：支撑；承受，承担
例：The pillars sustain the roof of the pit.
坑道顶用柱子支撑着。
2. arrange
作动词：安排；准备；整理；布置
例：He began to arrange the flowers in the vase.
他开始把花瓶内的花摆好。
Chunks in Practice
Listen to the following passage twice and then fill in the blanks with
appropriate words.
1. Enthusiasm generates _ and _ thinking. And concentration will help us form a clear picture in our minds of the _ objective.
