矿产资源开发的合理性分析是( )的一个重要任务。A．项目决策_爱下问搜题

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问题单项选择题

矿产资源开发的合理性分析是( )的一个重要任务。

A．项目决策与建设
B．项目评价与建设
C．项目建设与计划
D．项目决策与评价

答案

参考答案：D

完形填空

The young woman entered the pool where an injured dolphin(海豚) was swimming.Despite her fear, she felt strong wearing her new leg.
In her second grade.Maja ____ her cousin，Jasmina.After Jasmina's death，Maja swore she would honor the little girl by ___ with a dolphin, an animal that both girls ____. “ Jasmina never got the chance to do it.” says Maja, now 32, “so I ____ that someday I'd do it for her.”
In high school, Maja was ____ about sports.She even planned to become an athlete.____， in 1993, during the civil war in her home country, a bomb ____ her left leg.
After two years' ____ in the U．S., Maja received her first artificial (人造的)leg, but ____ it didn't fit well, walking for Maja was very painful. ____， she managed to graduate from a local high school.Then after receiving a ____ from Saint Francis University, she got a job at an insurance firm and ____ started her own company.
To relax, Maja ____ often watch the dolphins play at an aquarium(水族馆)near her home.A young dolphin, Winter, who had lost its tail, caught her ____. One day, Maja happened to see trainers ____ Winter with a hightech tail.When they were done, Winter swam freely in the water.Maja was ____.She managed to find the inventors of Winter's tail.Within ten days, she had a new leg which freed her of the ____ that had troubled her for almost 16 years.
Now Maja was ready to keep her ____.She went to the aquarium, lowered herself into the pool and held out a hand to Winter, who approached ____， then swam away.After a few minutes, the dolphin let Maja ____ its back. Finally, the two began to swim around the pool together.

B．enthusiastic

A．Undoubtedly

B．Surprisingly

D．Unfortunately

A．scholarship

A．appointment

单项选择题

关于流行病学的病因的定义，正确的为（）。

A.存在时必定引起疾病的因素

B.对疾病发生必不可少的因素

C.疾病发生机制中的生物因素

D.使疾病发生概率升高的因素

E.引起疾病发生的诸多因素