【单选题】在光滑水平面上,两球沿球心连线以相等速率相向而行,并发生碰撞,下列现象可能的是( )
【多选题】关于光盘和磁光盘的概念描述中,下列( )是正确的。
A.
只读型光盘和磁光盘:记录的信息只能读出,不能被修改
B.
一次型光盘和磁光盘:用户可在这种盘上记录信息,但只能写一次,写后的信息不能再改变,只能读
C.
光盘由于存储容量大、耐用、易 保存等优点,因此成为计算机大型软件的传播载体和电子出版物的媒体。
D.
重写型光盘和磁光盘:用户可对这类光盘进行随机写入、擦除或重写信息
【单选题】下列说法错误的是( )
B.
文献信息编目法简称编目法,是指为揭示、报道与检索的目的,依据特定的规则与方法, 对文献信息的形式与内容特征进行描述、标引并使其有序化的方法。
C.
按文献信息的传播范围,可以分为:公开文献信息、内部文献信息。
【单选题】In some Asian countries known for strict discipline such as Japan and Singapore, young people suffer serious psychological problems.
【判断题】T F 15. And some people think they will have good luck if they find a penny on the ground and pick it up.
【简答题】判断正(T)误(F)。 (T=True, F = False) What is color? Why do some of the things around us look red, some green, others blue? Colors are really made by reflected (反射) light. We can see colors because most of ...
【单选题】下列对“传播”概念描述正确的是( )。
B.
传播就是由发送者发出到接收者接收的信息传递过程
C.
传播就是“谁”通过“什么渠道”对“谁”说了“什么内容”,产生了怎样的影响
【简答题】Read and judge. 欢迎走进阅读乐园!请根据短文内容,判断正(T)误( F)。 Welcome to My Home In the US and Canada, people like entertaining (请客) at home. They invite friends for a meal, a party or just (仅仅) cup of tea. There are...
【简答题】阅读理解,判断(T)误(F)。 In England, the most popular (最受欢迎) food is fish and chips. Sometimes people cook this food at home, but usually they go to a fish and chips shop. They put the food in paper bags and t...
【多选题】在光滑水平面上,两球沿球心连线以相等速率相向而行,并发生碰撞,下列现象可能的是( )