如图，小球上下运动的过程中，下列分析不正确的是 A．小球上下运动过程中，运动状

一般来说，恩格尔系数在（）时，人们开始逐步注重农产品质量安全。

A.25%以下

B.25%～40%

C.40%～50%

D.50%以上

气胸的常规处理包括

A．吸氧

B．卧床休息

C．禁止随意搬动

D．避免过度屏气

E．服用通腑泻浊、降逆镇咳药物

Originally, the World-Wide Web was designed as information medium for (71) research teams. A deliberately simple implementation model was chosen to make it as simple as possible for authors to (72) documents to the web, and to (73) these in the sense of updating content. This implementation model is centered around the notion of resources, usually file-base D. For the (74) intended use of the web, resources presented a useful abstraction, as they related to relatively self-contained chunks of information such as research publications and (75) pages. Such chunks of information typically could be set up and maintained independently of other resources, so that resources were the appropriate abstraction for composition and modification.

（75）（）

A.some

B.home

C.company

D.study

以下哪项不是延迟性心因性反应的特点：（）

A.应激源往往具有异常惊恐或灾难性质

B.症状常有晨重夜轻的节律变化

C.反复重现创伤性体验

D.持续性的警觉性增高

E.发病常在遭受创伤后数日至半年内出现

膀胱护理的注意事项有哪些？