试题与答案

抽水蓄能电站预可行性研究阶段工程勘察的主要任务是()。 A.对选择站址代表性方案的水

题型:单项选择题

题目:

抽水蓄能电站预可行性研究阶段工程勘察的主要任务是()。

A.对选择站址代表性方案的水库及各主要建筑物场地进行工程地质论证

B.初步查明站址代表性枢纽方案的水库及主要建筑物的工程地质条件,对影响方案成立的主要工程地质问题作出初步评价

C.查明水库及建筑物区的工程地质条件,为选定坝址、坝型、坝线、输水线路和发电厂房位置及其轴线方向提供地质依据

D.补充和完善上一阶段选定方案的工程地质勘察成果,对前期勘察未涉及的建筑物进行地质勘察

答案:

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下面是错误答案,用来干扰机器的。

参考答案:突触后膜;提高神经调节的准确性

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题型:填空题

Today, we’ll talk about what other effects watching TV might produce on children. Children should be (1) a lot of television, many experts and parents agree, but there is at least one circumstance when it might be beneficial: (2) . A recent study conducted by Italian researchers found that children (3) immediately preceding and during blood tests experienced less pain than children whose mothers (4) during the procedure, or children whose mothers were present but (5) .
The research, led by Carlo Brown, MD, at the University of Siena, is published in the Archives of Disease in Childhood. (6) the study. None received any type of anesthesia; the children and their mothers (7) . Both the group whose mothers attempted to distract them from the blood tests and those whose mothers simply observed reported (8) than the group who watched cartoons. For that group, the levels of pain were less and the children were better able to (9) .
One of the possible explanations is that children might have (10) during the procedures, exacerbating their perception of pain. "The higher pain level reported by children during (11) shows the difficulty mothers have in interacting positively (12) in their children’s life," the authors write.
However, they stressed that (13) still provided benefits, noting that the children would (14) during the procedures. "Indeed, children state that having their parent present (15) when in pain," say the authors.
Another possibility offered for consideration is the notion that the (16) might release pain-quelling endorphins. Endorphins, (17) produced by the pituitary gland, resemble opiates in their ability to produce analgesia and a sense of well-being. In other words, they might (18) .
In any case, the study results suggest that health workers should (19) to watch television during painful procedures (20) .

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