【单选题】B2-U5_3_1_3.mp3: ( )
A.
Many individuals are worried about house prices
B.
Big cities are now gradually losing their appeal
C.
Tourist attractions are usually very crowded
D.
Even more people will move into big cities
【单选题】下列关于RDD说法错误的是?
A.
RDD中文全称是弹性分布式数据集,是分布式内存的一个抽象概念,提供了一种高度受限的共享内存模型
B.
RDD执行过程中包括两种主要操作:转换(Transformation )和动作(Action),“转换”操作可以有一系列,“动作”操作只有一个
C.
RDD采用惰性调用,遇到“转换(Transformation)”类型的操作时,只会记录RDD生成的轨迹,只有遇到“动作(Action)”类型的操作时才会触发真正的计算
D.
RDD提供的转换接口既适用类似map、filter、groupby、join等粗粒度的转换,也适合某一数据项的细粒度转换
【单选题】听众听音乐时通过什么来实现情感的聚集:()
【单选题】B2-U5_3_1_5.mp3: ( )
A.
They have better cultural tastes
B.
They are more energetic and vigorous
C.
They are at greater risk of physical disorder
D.
They are more likely to have mental problems
【单选题】B2-U1_3_1_5.mp3: ( )
【多选题】(第三章)社会意识的相对独立性表现为( )
【单选题】B2-U5_3_1_1.mp3: ( )
A.
Access to various forms of entertainment
B.
Access to efficient public transportation
C.
Access to food from various cultures
D.
Access to modern conveniences
【单选题】B2-U2_3_1_5.mp3: ( )
A.
The human nature of dreaming the impossible
B.
Traveling between the past and future
C.
The possiblity of traveling back in time
D.
The popularity of time travel stories
【单选题】B2-U5_3_1_2.mp3: ( )
A.
She prefers outdoor parking
B.
She often has nightmares at night
C.
She is a very experienced drivert
D.
She has scratches on her back