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问题 单项选择题

按照NB/T47013.3-2015标准规定，下列关于母材检测的叙述中错误的是（）

A、C级检测或必要时要进行母材检测

B、母材检测目的是检查斜探头移动区是否存在分层或其它缺陷

C、母材检测不属于对母材的验收检测

D、检测中发现的当量大于等于φ2mm的缺陷作标记并记录

答案

参考答案：D

阅读理解

根据短文内容和所给中文提示，在空白处填入单词。每空限填一词。

     US President Obama gave a TV speech to his country's students on the 1______ (第一) day of school.

He made it from a 2______ (教室) in a high school. He told them to study as 3______ (努力) as they could.

     "NO matter (无论) what you want to do with your life, you will need an education," he said.

     "This isn't just important for your own life and your own future. It will 4______ (决定) the future of this

county."

     Obama also said that school is not always 5______ (容易). The challenges (挑战) of life make school a

difficult time.

    "Maybe you can't get your Parents' 6______ (帮助). Maybe someone 7______ (要求) you to go something

wrong. But there is no excuse for not doing your homework of for not 8______ (尝试). Your attitude (态度)

toward yourselves and your education is 9______ (最) important."

    Students shook 10______ (手) with Obama at the end of the class.

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单项选择题

氨在血中被转运的主要形式之一是

A．谷氨酸

B．谷氨酰胺

C．天冬氨酸

D．天冬酰胺

E．谷胱甘肽
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