【多选题】Which of the following works were written by Mark Twain?
A.
The Adventures of Tom Sawyer
B.
The Adventures of Huckleberry Finn
【单选题】新安全观认为,建立在共同利益基础之上的相互信任是维护国家安全的保证,共同利益是国家合作的 _______。
【简答题】Bound morphemes are classified into two types: derivational and _______ morphemes.
【多选题】按照电子标签的类别,可以将RFID系统分为()
【单选题】Bound morphemes are those that __________.
A.
have to be used independently
B.
cannot be combined with other morphemes
C.
have to be combined with other morphemes
D.
can either be free or bound