【单选题】若B为非终结符,则A→α·Bβ为( )项目。
【单选题】若B为非终结符,则 A→a · Bb 为( )。
【单选题】The students __________their papers by the end of this month.
【单选题】Who are Nancy and Jenny?
A.
students from Singapore and Malaysia
B.
students who have travelled to Singapore and Malaysia
C.
students who have researched Singapore and Malaysia
【判断题】在同一个数据流程图中,同一个数据处理仅能出现一次。
【单选题】The result of reading word by word is that
A.
students have to read the whole book
B.
students have not enough time to finish the book
C.
students often fail to get the main idea of the book
D.
students usually get more useless information
【单选题】若B为非终结符,则A→α· 为( )项目。
【判断题】在同一个数据流程图中,同一个数据处理仅能出现一次。
【简答题】What kind of lessons will the students have?