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问题 单项选择题

小儿高血压的标准是

A．舒张压高于标准血压20mmHg
B．收缩压高于标准血压20mmHg
C．收缩压高于标准血压30mmHg
D．收缩压高于标准血压10mmHg
E．舒张压高于标准血压30mmHg

答案

参考答案：B

单项选择题

建设项目竣工环境保护验收时，对于清净下水排放口原则上应执行（）。

A.污水综合排放标准

B.工业污水排放标准

C.恶臭污染物排放标准

D.地下水环境质量标准
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单项选择题 共用题干题

Documentation of a software package is normally produced for two purposes. One is to explain the (1) ofthe software and describe how to use them. This is known as (2) because it is designed to be read by the user of the software. The other purpose of documentation is to describe the software's internal composition so that the system can be maintained later in its life cycle. Documentation ofthis type is known as ( 3 )

空白（2）处填（）

A.systemdocu mentation

B.userdocu mentation

C.venderdocu mentation

D.productdocu mentation.
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