腭扁桃体发育达高峰的年龄是（）
A.6个月内
B.1岁末
C.2～3岁
D.3～4岁
E.4～10岁
参考答案：E
句型转换。
1. Mike has breakfast at six in the morning. (改为否定句)
2. Jack wants two glasses of orange. (就画线部分提问)
3. There are some hills in the picture. ( 改为单数句)
4. The worker is making a machine. (就画线部分提问)
5. Do it like that! (改为否定句)
农村“八有”的规章制度有哪些要求？
