【判断题】触发器有两个稳定状态,在外界输入信号的作用下,可以从一个稳定状态转变为另一个稳定状态。
【简答题】Two _________ of ice cream, please.
【单选题】如下哪一项确定了在每个时区生产的最终项目及其数量?
【单选题】I 【ate】two dishes of ice cream.
【单选题】We want to make a fruit salad. We need __________ ice cream.A. two kilos of B. two slices of C.
A.
30. We want to make a fruit salad. We need __________ ice cream. A. two kilos of