题目内容

We would be pleased to send you some samples of our new cell phones on approval,____our own expense（）

A. at
B. on
C. for
D. in

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大数据产业是指一切与支撑大数据组织管理和价值发现相关的企业经济活动的集合。以下哪些属于大数据产业的某个环节（）

A. IT基础设施层
B. 数据源层
C. 数据管理层
D. 数据分析层

_____of your offer would make your bicycles uncompetitive with other stores in our region（）

A. Receiving
B. Acceptance
C. Purchasing
D. Ordering

We are not in a____to accept your bid at the present state of the market（）

A. way
B. position
C. state
D. means

We cannot our offer open for more than 3 days, so would you please telex your acceptance without delay（）

A. give
B. place
C. remain
D. leave