控制性详细规划是以城市总体规划或分区规划为依据，确定（）。 A.建设地区的土地使用性

上消化道出血时出血量的估计：每天出血＞5~10 mL大便隐血试验阳性；每天出血 __________ 可出现黑便；胃内积血量在 __________ 可引起呕血；出血量超过400~500 mL可出现全身症状。

—Look at that girl! Is it Susan?

—No, it _______ be her. She has gone back to her hometown.

A．mustn’t

B．can’t

C．needn’t

D．wouldn’t

某钢筋混凝土现浇实心板的厚度为150mm，则其混凝土集料的最大粒径不得超过( )mm。

A．30
B．40
C．45
D．50

某公司希望对下属分散在不同区域的商场的现场运营进行实时监控和有效管理，我们可以向其推荐（）。

A.全球眼

B.IPTV

C.智能监控

D.新视通

(71) analysis emphasizes the drawing of pictorial system models to document and validate both existing and/or proposed systems. Ultimately, the system models become the (72) for designing and constructing an improved system. (73) is such a technique. The emphasis in this technique is process-centered. Systems analysts draw a series of process models called (74) . (75) is another such technique that integrates data and process concerns into constructs called objects.

（72）是（）

A.image

B.picture

C.layout

D.blueprint