分时操作系统不具备的特点是 ( )。
A. 同时性
B. 多路性
C. 独占性
D. 交互性
你知道站在台上,所有眼睛都看着你是一种什么感受吗?Do you know ___________ to stand on a stage with all eyes on you?
当听说儿子没啥大事时她松了一口气。She _________________________________ when she heard nothing serious happened to her son.
凭着他在金融方面的专业知识和管理技能,他很快就控制住了局面。 (填空时注意用过去时)With his professional knowledge in finance and skills in management, he quickly ________ the situation.