【判断题】Cruelty to others is nothing new, and online, technologically enhanced shaming is not enlarged, uncontained, and permanently accessible.
【单选题】“当局者迷,旁观者清”和“以人为镜,可以明得失”,启示我们正确认识自我需要
【简答题】CAD软件提供的常用实体造型方法有 、旋转、扫描等。
【判断题】在对数组进行赋初值时,不管有没有对所有元素赋初值都必须指定数组的长度。()
【单选题】According to the author, humor is useful in the aspect that ____________.
A.
it makes people more confident
B.
it can pick up people’s spirits
C.
it can help get rid of the cruelty in the world
D.
it can help people get on well with others
【单选题】Empathy—the ability to appreciate that a stranger struggling with a suitcase not only finds his situation(1)_____ but also needs help which, (2)_____ you are not incapable yourself, you can and do(3)_...
【简答题】jQuery对象的【】属性表示其内部DOM对象的个数。
【单选题】链轮两轴线必须 否则会加剧链条和链轮的磨损,降低传动平稳性,并增加噪音。
【单选题】● 设信道带宽为3000Hz,信噪比为30dB,则可达到的最大数据速率约为 (20) (20)