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【单选题】
Tuition and fees at a state university are $5,000 per year. If Sarah starts college this year she must quit her $25,000 per year job. Tyler is unemployed and also thinking of going back to school. Based on this information, which of the following is correct?A.
The opportunity cost of attending the university is the same for each student.
B.
Sarah's opportunity cost of attending the university is greater than Tyler's opportunity cost of attending the university.
C.
Tyler would be more likely to attend the university if he suddenly found a full-time job.
D.
Tyler's opportunity cost of attending the university is greater than Sarah's opportunity cost of attending the university.
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【单选题】John can help you with the food when he ________ cleaning the tables.
A.
will finish
B.
Finished
C.
finishes
【简答题】爆破现场混制铵油炸药品种,仅限于()炸药和()炸药。
【多选题】众创空间就是相应“双创”的时代产物。其应该具有以下几个要素：
A.
全要素 ——提供创业创新活动的场地、材料、设备设施和服务
B.
低成本 ——租金相对较低，享受低成本的服务
C.
开放式 ——空间共享，交流开放，打造社区氛围
D.
便利化 ——即租即用，租金灵活，资源共享
【单选题】众创空间就是相应“双创”的时代产物，其要素不包括：（ ）
A.
融资渠道多元化 ——提供创业创新团队融资渠道多元化服务
B.
开放式 ——空间共享，交流开放，打造社区氛围
C.
低成本 ——租金相对较低，享受低成本的服务
D.
便利化 ——即租即用，租金灵活，资源共享
【简答题】当基底承载力不足或挡土墙易倾覆失稳,可采用什么措施解决?
【单选题】Th e first step in designing a public relations plan is to
A.
Research the problem or oppor tun ity
B.
Set objectives
C.
Choose an action plan
D.
Conduct evaluation
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