【简答题】The country mouse lives in a hole of the ______.
【单选题】具有强度高、坚固、耐压、耐冲击、化学和物理性能稳定、易于加工、不污染环境等特点的包装材料是
【简答题】用“has'或'have'填空。 1. I _____________ a good friend. 2. A mouse _____________ a tail. 3. Li Ming _____________ five books. 4. We _____________ a big classroom. 5. Jenny and I _____________ two pens.
【单选题】— Do you like the western food, Li Li? — No, I think the food of our country is______ that of western countries.
A.
much more delicious than
【单选题】执行语句 : for(i=l;i++<4;); 后,变量 i 的值是( )。
【单选题】热牙胶充填器使用注意事项正确的是
B.
启动根充填器前必须先放入牙胶子弹,以免加热抢损坏
【单选题】执行语句: for(i=l;i++<4;); 后,变量i的值是 。