毕Ⅰ式胃大部切除术可能出现的并发症是()
A．碱性反流性胃炎
B．胃出血
C．吻合口瘘
D．吻合口梗阻
E．十二脂肠残端瘘
参考答案：B, C, D
句型转换，每空一词。
1. Please be quiet. (改为否定句)
quiet, please.
2.1 like to see pandas because they are lovely. (就画线部分提问)
you like to see pandas?
3. He wants to see the animals in the zoo. (改为一般疑问句)
he to see the animals in the zoo?
4. Where are lions from? (改为同义句)
Where lions from?
5. We like pandas very much. (就画线部分提问)
you like pandas?
为了研究原子的结构，卢瑟福和他的同事做了如图所示的α粒子散射实验，金箔是图中的______，显微镜是图中的______．（选填“A”、“B”、“C”或“D”）
