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问题 选择题

Tom and Jack are going to have ______________ this afternoon. [ ]

A. sport

B. sports

C. the sports

答案

答案：B

单项选择题

An (71) service bus (ESB) acts as a shared messaging layer for connecting applications and other services throughout an enterprise computing infrastructure. It supplements its core (72) messaging backbone with intelligent tansformation and routing to ensure that messages are passed (73) . Services participate in the ESB using either Web Services messaging standards (74) the Java Message Service. ESBs are increasingly seen by users and analysts as core components in (75) IT.

（72）处填（）。

A．common

B．synchronous

C．frequencie

D．asynchronous
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填空题

挤密砂桩施工时砂料应采用含泥量不大于3%的中、粗砂。挤密砂桩可采用（）。施工前至少应做两根试桩。制桩工艺应能保证桩体连续、挤密均匀、桩径不小于设计尺寸、桩体密实程度达紧密状态。
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