集装箱按照集装箱用途分类，可分为（）
A.干货集装箱
B.冷藏集装箱
C.开顶集装箱
D.框架集装箱
E.通风集装箱
参考答案：A, B, C, D, E
句型转换。
1. That is my good pen friend. (改为复数句子)
_____ _____ our good pen _____.
2. This is her family photo. (变为一般疑问句)
_____ _____ her _____ photo?
3. Tom is Mr Green's son. (改为同义句)
Mr Green is _____ _____.
4. Those are my friends. (对划线部分提问)
_____ _____ those?
5. They are orange backpacks. (改为单数句子)
_____ _____ orange backpack.
下列哪种不属于眼内灌注液成分( )
A．Na+
B．谷胱甘肽
C．维生素
D．葡萄糖
E．Mg2+
