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问题 选择题

绿色交通工具是指在行驶中对环境不发生污染或只发生微量污染的载客工具。下列不属于绿色交通工具的是

A．无轨电车

B．氢气动力车

C．太阳能汽车

D．柴油汽车

答案

答案：D

题目分析：无轨电车、氢气动力车、太阳能汽车均不产生污染环境的气体；柴油汽车在行驶中排放出有毒气体对环境造成污染。

选择题

I think the book is ____ and it is ____. What's your opinion? [ ]

A. useful; a help

B. of useful; helpful

C. of interest: interested

D. of use; of very help

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单项选择题

Service (71) Architecture aims to provide a model for the creation of service components in a wide range of languages and a model for assembling service components into a business solution-activities which are at the heart of building applications using a (72) architecture.
Service Data Objects aims to provide consistent means of handling (73) within applications, whatever its source or (74) may be. SDO provides a way of unifying data handling for databases and for services. SDO also has mechanisms for the handling of data while (75) from its source.

A．Oriented

B．Level

C．Component

D．Conference
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