在软件开发中，下面任务不属于设计阶段的是( )。A．数据结构设计 B．给出系统模块

男，6个月，出生不久哭闹时右阴囊有一包块，平卧安静时包块明显缩小或消失。2小时前因哭闹包块掉出，伴呕奶、不停哭闹、精神萎靡，右阴囊可见一似梨状包块。

最有可能诊断是（）。

A.交通性鞘膜积液

B.睾丸炎

C.嵌顿疝

D.睾丸发育异常

E.睾丸扭转

The nurse at a substance abuse center answers the phone. A probation officer asks if a client is in treatment. The nurse responds, "No, the client you're looking for isn't here. " Which of the following statements best describes the nurse's response

A．Correct because she didn't give out information about the client.

B．A breech of the principle of veracity because the nurse is misleading the officer.

C．Illegal because she's withholding information from law enforcement agents.

D．A violation of confidentiality because she informed the officer that the client wasn't there.

有两个共点力，一个力的大小是3N，另一个力的大小是5N，它们合力的大小可能是（　　）

A．15 N

B．10N

C．4 N

D．1 N

冬季站台作业的人身安全和准备事项有哪些？

患者，男，48岁，慢性肝病11年，普查发现AFP 800μg/L，首先应进行下列哪项检查

A．腹部平片
B．选择性肝动脉造影
C．腹腔镜探查术
D．B超或CT
E．肝脏核素扫描