1．The child ____ the salt all over the floor. A．spilt B．spill C．splashed D．spat 2．Spiders ____ threads. A．spin B．rotate C．roll D．revolve 3．Ice can be used to keep food from ____. A．spoiling B．aging C．toughening D．evaporating 4．Arizona’s rapid population growth and wealth ____ the movement for statehood at the end of the nineteenth century. A．spurred B．financed C．spanned D．disrupted 5．The supply proved to be ____. A．minimal B．sufficient C．stable D．cheap 6．Preservatives are added to bread to keep it from getting ____. A．small B．flat C．stale D．wet 7．He offered the old car for $500, which I think is a bit ____. A．steeply B．steep C．steady D．step 8．She tried to ____ the conversation away from such a dangerous topic. A．drive B．steer C．steal D．stay 9．A marine propeller is mounted on the end of a shaft near the ____ of a ship. A．bottom B．controls C．engine D．stem 10．Shoes are often ____ when they are new. A．staff B．stuff C．stiff D．stuffy 参考答案：1 A 2 A 3 A 4 A 5 C 6 C 7 B 8 B 9 D 10 C