What the element “ -es ” indicates is third person singular , present tense, the element “ -ed ” past tense , and “ -ing ” progressive aspect. Since they are the smal lest unit of language and meaningful, they are also
【判断题】The major shortcoming of computer modelling is that changes to the model can easily be made and thus the effect of say a 10% error in one of the component concentrations can very readily be investigat...