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问题 单项选择题

下列哪种肿瘤需要采取全脑全脊髓照射（）。

A.星形细胞瘤Ⅰ级

B.垂体瘤

C.髓母细胞瘤

D.脑转移瘤

E.颅咽管瘤

答案

参考答案：C

解析：髓母细胞瘤恶性程度高，容易沿脑脊液播散，常规需要行全脑全脊髓照射。

单项选择题

UML-based tools are often used for J2EE/.NET application analysis and design, both because UML’s object orientation is ideal for the J2EE/.NET implementation (66) and because of the expanding scope and complexity of today’s enterprise endeavors. (67) the approaches diverge at the coding/implementation phase, a common set of analysis and design techniques applies to both J2EE and.NET.

The use of a virtual, machine (VM) architecture is also common to J2EE and .NET. Application development tools (68) intermediate-level code instead of platform-specific binary code, which means the VM interprets that code in real time or performs Just-In-Time (JIT) compilation; the Microsoft VM always runs JIT-compiled code. This VM-based model results in (69) -independent applications and is conducive to the late-binding technique that’s (70) to the OO approach.

（69）（）

A.platform

B.framework

C.operation

D.computer
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填空题

物料衡算根据是（）。
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