马氏体组织有哪几种基本类型？它们在形成条件，组织形态和性能有何特点？

A. 会计分录
B. 会计报表
C. 所有者权益
D. 资产

A. He needs help to retrieve his files.
B. He has to type his paper once more.
C. He needs some time to polish his paper.
D. He will be away for a two-week conference.

A financial burden.
B. A good companion.
C. A real nuisance.
D. A well-trained pet.

A. The shopping mall has been deserted recently.
B. Shoppers can only find good stores in the mall.
C. Lots of people moved out of the downtown area.
D. There isnt much business downtown nowadays.