选择合适的汉语将序号填在题前括号内。

(____)1. This is a panda.         A.那是一只虎。

(____)2. That is a tiger.          B.那是什么？

(____)3. What's that?            C.我喜欢它。

(____)4. I like it.                     D.一只有趣的狗。

(____)5. A funny dog.            E.这是一只熊猫。

根据短文内容，选择最佳答案。

Schedule a Tour

    University of South Carolina （USC) is famous for its warm southern hospitality（好客）. Schedule a visit and feel it in person. Our walking tours are led by current students, called University Ambassadors, who are looking forward to telling you what it's like to live and study in USC. Our walking tours run Monday through Friday and most are around 2 hours. The university will be closed on Tuesday, July 4, 2017 in observance of the holiday. We welcome your visit year round and will be ready for you, rain or shine. Please refer to the list below to determine which tour is best for you and remember to book at least two weeks in advance.

在用伏安法测未知电阻R_x时（电源电压未知），如果缺少电流表或电压表，可以通过增加一个已知阻值的定值电阻R₁和开关来解决，下面的四种方案中不可行的是（　　）

下列成果属于“发明大王”爱迪生的是（　　）