“身是菩提树，心如明镜台。时时勤坲拭，莫使惹尘埃。”此偈作者为（）。 A.弘忍

胆囊结石引起腹痛常常发生于()

A．饥饿时

B．夜间平卧时

C．高脂饮食后

D．精神紧张时

E．运动时

马克思主义中国化的最新理论成果是（）。

①毛 * * 思想

②三个代表

③科学发展观

④邓 * * 理论

A.①②③

B.①②④

C.①③④

D.②③④

机场不停航施工经批准后，（）应当按照有关规定及时向驻场空中交通管理部门提供相关基础资料，并由空中交通管理部门根据有关规定发布航行通告。

A、机场管理机构

B、施工方

C、用户

D、驻场单位

(31) analysis emphasizes the drawing of pictorial system models to document and validate both existing and/or proposed systems. Ultimately, the system models become the (32) for designing and constructing an improved system. (33) is such a technique. The emphasis in this technique is process-centered. Systems analysts draw a series of process models called (34) . (35) is another such technique that integrates data and process concerns into constructs called objects.

A．PERT

B．DFD

C．ERD

D．UML

天然气的产状类型