患者，男性，18岁。因转移性右下腹痛12小时入院，诊断为"急性阑尾炎"，当晚行阑尾切除术，病理为坏疽性阑尾炎。自术后次晨起，患者表现为腹痛，烦躁不安，未解小便。查体：面色较苍白，皮肤湿冷，心率110次／分，脉搏较弱，血压10.67/8kPa（80/60mmHg），腹稍胀，全腹压痛，轻度肌紧张，肠鸣音减弱。
根据该患者目前情况，应考虑为何种可能（）。
A.术后肠麻痹
B.术后疼痛所致
C.术后尿潴留
D.术后腹腔内出血
E.机械性肠梗阻
参考答案：D
There are many ways for us to reduce (减少) waste. For example, we can reuse paper and plastic bags. We can also recycle newspapers, glass, and cans (易拉罐) 1 new things. Here are some useful 2 to reduce waste. Write on both sides of paper Many people write on only one side of their paper. Why not try using both sides? Some students only use half the pages of their 3 before getting new ones. Try to use up all the paper. People often give cards on birthdays or festivals. How about trying to 4 e-cards (电子贺卡) instead? Don’t throw away your old batteries (电池) Maybe you do not know that old batteries make the soil 5 . This is because they have poisonous (有毒的) parts in 6 . So, don’t throw away batteries. 7 them together. Try to use rechargeable (充电的) batteries for your games and CD players. Give 8 all your unwanted clothes There are many poor families in China. You may ask your mother to keep your unwanted clothes. Then you can pass them on to those poor children. You will feel happy that you are 9 someone else. Also, you can see 10 your friends or relatives (亲戚) want them before throwing them away.
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