Read the sentences and tick if you would send a formal or informal email.1.You want to invite a friend to a party.A.FormalB.lnformal2.You want to ask a colleague in another office to clarify points about aproject.A.FormalB.lnformal3.You want to thank an overseas colleague for their help when you werevisiting their country.A.Formal B.lnformal4.You need to invite a colleague to a business meeting.A.FormalB.lnformal5.You want to thank your sister who is overseas for sending a present foryour birthday.A.FormalB.lnformal6.You want to arrange a meeting with your boss.A.FormalB.lnformal
资产在使用过程中,总会由于各种原因,如毁损、出售、盘亏等,退出企业,该业务在系中通过( )操作来完成。
A. 原值减少
B. 累计折旧调整
C. 资产减少
D. 使用状况调整
颈椎最容易发生退行性改变的节段是
A. C3~C4、C4~C5
B. C4~C5、C5~C6
C5~C6、C6~C7
D. C1~C2、C2~C3
E. C2~C3、C3~C4
颈椎病最重要的病理性改变是
A. 肿瘤
B. 先天性狭窄
C. 炎症
D. 椎间盘退行性变
E. 骨折