A．nd the cars are tested for defects before leaving the factory.

A．functions

B．faults

C．motions

D．parts

[单选题]Theair-conditioners are tested for [defects] before leaving the factory.A.p

[单选题]Theair-conditioners are tested for [defects] before leaving the factory.A.p

[单选题]If the ratio of brown cars to blue cars in a certain parking lot is 2:3, how many brown cars are in the lot?(1) There are 15 blue cars in the lot.(2) There are 25 cars total in the lot.

[单选题]A lifeboat is weight tested by lowering to near the waterand loading to capacity with weight evenly distributed. Itis then lowered into the water and released. This test mustbe done at least once every（）.A . 6 monthsB . 12 monthsC . 18 monthsD . 24 m

[单选题]所谓缺陷（Defects）是指（）A .底片因刮伤、擦伤、手纹、污染等造成的显示B .照相技术不良、扭曲、几何形状变化等产生的显示C .物件中属于正常结构以外的不连续状况D .会损害到物件的使用，或超出规范、标准

[单选题]Over eight months the scientists tested 20 drugs, all with negative results. Finally they tested the anticonvulsant drug ethosuzimide. Researchers found that the drug extended the life span of roundworms from 16. 7 days to 19. 6 days, a 17 percent in

[单选题]［A］ Beside ［B］ Beyond ［C］ Below ［D］ Before

[单选题]This used piston had been tested and approved as a spare part by the （） during last annual repair.A . agentB . shipchandlerC . surveyorD . engineer

[单选题]根据下列文章，回答36～40题。In 1784, five years before he became president of the United States, George Washington, 52, was nearly toothless. So he hired a dentist to transplant nine teeth into his jaw - having extracted them from the mouths of his slaves.That'

[单选题]C．rashed Cars to Text Message for HelpThere is no good place to have a car crash -- but some places are worse than others. In a foreign country, for instance,(51) to explain via cellphone that you are upside down in a ditch (沟渠) when you cannot speak