第2题: [单项选择]What will begin on May 16th A. Shuttle buses will start running. B. Interstate 90 will be reopened. C. Sections of the highway will be closed. D. The detours will end. 参考答案:C
第13题:[单选题]中性点直接接地系统,当发生单相短路时,说法正确的是(____)。 A. 故障相对地电压为零;非故障相对地电压基本不变 B. 故障相对地电压为零;非故障相对地电压也为零 C. 故障相对地电压基本不变;非故障相对地电压为零 D. 故障相对地电压基本不变;非故障相对地电压也不变 参考答案:A
第17题:[单选题] The museum was started when A. Robert Shostak wanted to do something for computer scientists B. Robert Shostak wanted to help computer artists C. art students needed a place to show their works D. computer scientists wanted to do something about art 参考答案:B