地梁的跨度一般为( )m。 A.1~3 B.6~9 C.3~5 D.

题型:单项选择题

问题:

地梁的跨度一般为( )m。

A.1~3
B.6~9
C.3~5
D.8~10

考点:造价工程师建设工程技术与计量(土建)建设工程技术与计量(土建工程部分)
题型:单项选择题

医院感染的特点包括()

A.以内源性感染为主

B.感染对象是住院患者

C.传播方式以接触传播为主

D.病原体易确定

E.抗生素治疗通常效果不好

题型:单项选择题

根据质量定律,当墙体质量增加一倍时,隔声量增加( )。

A.3dB

B.6dB

C.10dB

D.20dB

题型:单项选择题

Once a man and his wife worked for an old man. There was a big box in the old man’s living room. The old man pointed to the box and said, "There’s only one thing you (1) do. Don’t open the box. " (2) saying this, he left his home.The woman said to her husband," There must be (3) expensive in the box. Let’s open it, shall we" Her husband said (4) to her. But the woman didn’t give up her (5) . One day, she decided to find out (6) was in it. Her husband didn’t stop her. She opened the box and looked inside. To her surprise, she found nothing in the box. She tried hard to close it, but she (7) That evening the old man came home and found the box was (8) . He was very (9) and asked the woman and her husband to leave his home."But there was nothing in the box," the woman said. "We haven’t taken anything at all. "The old man (10) them, "The box is not important, but I cannot believe you. That’s important!

 

第(10)空应选择()

A.turned to

B.listened to

C.shouted at

D.smiled at

题型:单项选择题

保健品行业的创业风险中,不属于非系统性风险的是()

A.管理的问题

B.资金的问题

C.经济危机的环境

D.产品及服务的品质化问题

题型:单项选择题

对于薄钢板的预处理除锈,可采取()。

A.喷砂

B.喷丸

C.酸洗

D.抛丸

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