有关假性胰腺囊肿，下列不正确的是（） A.可形成脓肿 B.无上皮细胞 C.多位于胰头

下图示意某地区的地貌类型。读图，完成1—2题。

1、适宜发展海水养殖业的地区是[ ]

A．①

B．②

C．③

D．④

2、若在甲、乙两地新建居民点，则甲地应特别注意防范[ ]

A．地震破坏

B．滑坡

C．海潮侵袭

D．暴雨

近日，某省发现部分大米镉超标，镉超标易引起镉中毒．镉元素的核电荷数为48，相对原子质量为112，则镉原子的核外电子数是（　　）

A．48

B．64

C．112

D．160

软件设计过程中，应首先进行的工作是( )。

A．总体设计

B．模块设计

C．界面设计

D．数据库设计

有效的证券选择仍有利于风险的分散，因此资产组合管理仍有其存在的价值。（）

There is a proposal in Washington to set aside $100 million to support single mothers on welfare who want to get married. This novel idea is a (62) that some of our politicians are coming to understand that the state of our national union (63) greatly on the state of our (64) unions--on the health of the marriage institution in America.
Divorce rates remain very high by (65) standards, and the children of the first generation of easy divorce are well into their own adults lives. (66) all the statistics and anecdotal accounts of this vast subject, what are the key (67) that are leading to health or sickness for the institution of marriage Where are we going wrong And how can we get back on (68)
The central question is whether we have allowed a culture to develop that (69) people for the challenges of marriage. Social (70) on selfishness and self-centeredness, and the achievement-oriented (71) of our business world, all encourage us to put family in (72) place. Marriage often represents the (73) from such a world of selfishness to a world of (74) . Family life is the normal context (75) we can learn that a life filled with (76) about others instead of ourselves is the sure road (77) the most fulfilling joys and satisfactions. But (78) preparing young people to learn this lesson, often we actually seem to be preparing them more for divorce than for marriage. (79) ignorant of the mysteries of giving, too many people enter marriage (80) high expectations of direct personal satisfaction, and then find themselves (81) disappointed and tempted to cut their losses.

A．in spite of

B．instead of

C．along with

D．except for