生产力。significantly“值得注目地；巨大地”，符合语境。roughly“艰难地”；merely“仅仅”；equally“平等地”。
9．In Beijing opera, performers are required to paint their faces in patterns and colors to help show the ________ and depths of the characters' personalities.
A．dimensions C．occupations
B．certificates D．consciences
解析：选A 句意：在京剧里，表演者们被要求在脸上画上图案并着色，以帮助展示人物个性的广度和深度。根据句意及空后的“depths”可知，空处应表示“广度”，所以要选dimensions。certificate“证书”；occupation“职业；占有”；conscience“道德心，良心”。
10．China has been working to ________ the legal landscape for autonomous vehicles, which are on a highway to commercial availability.
A．clarify C．transmit
B．accelerate D．preserve
解析：选A 句意：中国一直在努力地使自动驾驶汽车合法化，很快就会具有商业价值。clarify“澄清，说清楚”，符合句意。accelerate“加快”；transmit“传送，传输；发射”；preserve“保存，保护”。
