单词拼写（10*0.5'=5')

小题1:His height gives him an ________ (优势) over the other players.

小题2:One shouldn’t ________ (假装)to be what he isn’t.

小题3:The key to ________ （复兴）the morality sense of the public is to protect those that offer help from baseless accusations.

小题4:The abolishment of slavery _______ (标志)the beginning of equal share of civil rights between the black and white.

小题5:Great concern has been raised about Steven Jobs’________ (退休)，let alone his death.

小题6:__________ (强迫)to change his plans, he worked for several years as a pilot on a steamboat.

小题7:It makes sense for the customers to make sure of the________ (保证) of a product before deciding to make the purchase of it.

小题8:Slave trade was ____________（废除）in 1807．

小题9:The Americans ________(抗议) and in the end the American runner was declared the winner.

小题10:The chorus are _________ (装扮) up as fairies.

牙根的正确定义是

A．牙体固定在牙槽窝内的一部分

B．对牙体起支持作用的部分

C．被牙骨质所覆盖的牙体部分

D．被牙体质所覆盖的牙体部分

E．被牙周膜包裹的牙体部分