【判断题】不变投入是指在短期内不会随产出数量变化的投入。( )
【单选题】We should realize that we can only achieve our goal if we are prepared to __ and learn from failure.
【简答题】语法填空 I am fond of my sister but she has one serious shortcoming. She can be (1) (real)________ stubborn. (2)______ she didn't know the best way of getting to places, she insisted that she (3 )(organiz...
【简答题】I am very lucky today to be a real eye opener.
【单选题】I am fully ___________to you for doing me a real favor