单项选择题
A.intricate
B.fragile
C.subtle
D.crisp
单项选择题 She had recently left a job and had helped herself to copies of the company's client data, which she intended to ()in starting her own business.
单项选择题 How much of your country's electrical supply is ()from water power
单项选择题 In order to prevent stress from being set up in the metal, expansion joints are fitted which ()the stress by allowing the pipe to expand or contract freely.