语法与词汇 11.The true test of a leader is whether his followers will adhere to his cause from their own volition , enduring the most ______hardships without being forced to do so, and remainingsteadfast in the moments of greatest peril.
【正确答案】 A
【答案解析】句意：对领袖真正的考验在于他的追随者们是否是心甘情愿，在最困难的时候是否也毫不动摇，坚定地团结在他的身边。arduous艰巨的。strenous费劲的，费力的。energetic精力充沛的。assiduous刻苦的，勤勉的。