单项选择题
A．They are smart and eloquent. B．They are ambitious and arrogant. C．They are shrewd and dishonest. D．They are wealthy and industrious.
A．Heavy metals in lab tests threaten children’s health in Berkeley. B．Berkeley residents are quite contented with their surroundings. C．The air quality around Berkeley’s school campuses is poor. D．Parents in Berkeley are over-sensitive to cancer risks their kids face
A．elevating B．convening C．launching D．projecting