多根多处肋骨骨折，胸壁包扎固定的作用为（）。 A.止痛 B.消除反常呼吸 C.有利于

17世纪70年代以前，几何和代数都有了相当的发展，但它们是互相分离的两个学科。笛卡尔对当时的几何方法和代数方法进行比较，分析了两种方法各自的优缺点，提出各取所长，互补所短。他把代数运用于几何，使图形的几何关系在方程的性质中表现出来，创立了解析几何这种研究几何问题的新方法。解析几何的发明证明了：

A．分析的重要性

B．逆向思维的重要性

C．思维的重要性

D．分析与综合的重要性

有这样一句话：“自己的生日就是父母的受难日，世上所有的父母都知道子女的生日，又有几个子女知道自己父母的生日。”

（1）你能说出你父母的生日吗？

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（2）平日里你所感受到的母爱和父爱有哪些？

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MRI平扫加增强可以100%地诊断出骶髂关节炎，并可根据强化的程度来判断病变的活动性。

宣传报道和新闻出版的保密审查由宣传部负责，按照《新闻出版保密规定》执行。（）

The owner (buyer)of a project usually has the right to direct changes to the scope of work while the project work is being accomplished. Often, the owner will orally request a change and insist that the change be initiated immediately without the normal documentation (e. g. a change order). When the change is initiated without documentation, ______ .

A) the owner assumes all responsibility for paying for the change although the owner may at a later not want the change
B) the owner assumes responsibility for one-half the cost of the change until the documentation is completed and all at the same time
C) the project manager assumes all risk for the change, if initiated, until the documentation is received
D) the project manager assumes only the risk of misinterpreting the owner’s oral change directive, while the owner assumes responsibility for paying for the request change