橡胶衬里及其他类型的衬里管段及管件，应放在温度为20～50℃的室内，避免阳光和热源的辐射，更不能与潮湿物件和油脂等接触。( )
参考答案：错
完全胃肠外营养要求每日蛋白质供给量为（）。
A.1g/kg以内
B.1～2g/kg
C.2～3g/kg
D.3～4g/kg
E.5g/kg以上
情景交际。
1. 当你想知道Amy怎样去上学时，你应问她：[ ]
A. How do you go home?
B. How do you go to school?
C. When do you get to school?
2. 当你想询问去中山公园的路时，你应说：[ ]
A. How can I get to Zhongshan Park?
B. How is Zhongshan Park?
C. Is Zhongshan Park far?
3. 当你告诉别人可以乘飞机去北京时，你应说：[ ]
A. You must go to Beijing by plane.
B. You can go to Beijing by train.
C. You can go to Beijing by plane.
4. 当你告诉别人你有时步行去动物园时，你应说： [ ]
A. I often go to the zoo on foot.
B. I go to the zoo by bus.
C. Sometimes I go to the zoo on foot.
