【单选题】What does the passage say about the oral tradition in Chicano culture?
B.
It is no longer relevant.
C.
It is being replaced by the written word.
D.
It is primarily rural.
【单选题】It is often said that _____ teachers have _____ very simple life .
【判断题】一个复数与它的共轭复数之和为该复数的实部
【判断题】It is very hard to cure depression.
【判断题】苹果、梨、番茄、杏的果实均属于真果。( )
【判断题】强制储蓄型社会保障模式的基金主要来源于个人储蓄,其中以德国的公积金制度成效最为显著。
【单选题】We spoke in whispers ______ waking the baby.
【单选题】下列型号的低压电器元件中,属于低压配电电器的是( )。
【简答题】苹果、梨等果实成熟时,RNA含量明显下降。( )