某同学做实验时，如图连接电路，闭合开关后，灯泡正常发光，但电流表指针不动，电压表读数正常，那么有可能是（   ）

    What about my plans for the summer vacation? First, I will go to Shanghai with my sister Kate. There are many interesting places in Shanghai, and we can also taste the delicious food there. After that, I will spend some time reading books. I will play tennis with my friends, too.—— Peter

    I made some plans for my summer vacation. First, I will help more at home. My parents are always busy, so I'll help them with the housework and let them have more time to relax. Second, I will practice the violin every day. Third, I think the vacation is a good time for me to do some sports, such as running and swimming. I am sure my summer vacation will be wonderful.——Tom

    After about four months' study, the summer vacation is coming. Here are my plans. First, I will leave enough time for my new lessons. I will also read some great books. Second, I will go to Xi'an and stay there for two weeks. I think the trip will be wonderful. Then, I will come back and enjoy myself with my friends. We will go swimming, shopping, etc.——Amy

填空。（任选有把握的四小题作答）

⑴蒹葭萋萋，____  。所谓伊人，____  。 （《诗经·蒹葭》）

⑵种豆南山下，草盛豆苗稀。  ____ ， ____  。（陶渊明《归园田居》）

⑶吏禄三百石， ____  。   ____ ，尽日不能忘。（白居易《观刈麦》）

⑷却看妻子愁何在，____ 。     ____ ，青春作伴好还乡。（杜甫《闻官军收河南河北》）

⑸古人善借动物写景抒情。李白借“杨花落尽子规啼”表达了对朋友离别的不舍，王安石借“闻说鸡鸣见日升”突出了飞来峰的高耸，吴均在《与朱元思书》）中“  ____，   ____ ”的两句，同样善借动物创造了奇特而优美的境界。

⑹①横眉冷对千夫指，____。    ②一言既出，____   。