【单选题】听力原文:M: I wish I hadn't thrown away that reading list! W: I thought you might regret it. That's why I picked it up from the waste paper basket and left it on the desk. Q: What do we learn from the con...
A.
The man regrets being absent-minded.
B.
The woman saved the man some trouble.
C.
The man placed the reading list on a desk.
D.
The woman emptied the waste paper basket.
【单选题】The Big-O notationrepresents accessing the i’th element in linked list with n elements is ( ).
【单选题】听力原文:W: I’m making a list have we run out of anything? M: Yes, I’ve run out of tissues. Could you pick some up for me? Q: Where are they planning to go? (15)
【单选题】ArrayList 的初始化内容如下: ArrayList list = new ArrayList(); list.add( "java" ); list.add( "aaa" ); list.add( "java" ); list.add( "java" ); list.add( "bbb" ); 下面可以删除 list 中所有的 “java” 的代码是 ( ) A. for ( int i ...
A.
for ( int i = list.size()-1; i >= 0; i--) { if ( "java" .equals(list.get(i))){ list.remove(i); } }
B.
for ( int i =0; i if ( "java" .equals(list.get(i))){ list.remove(i); } }
C.
list.remove( "java" );
D.
list.removeAll( "java" );
【单选题】听力原文:M: I'm sorry, the class is full. W: Well, could I be put on the waiting list? Q: What does the woman imply? (16)
A.
He wants to wait until the class is full.
B.
He wants to take the class if someone drops it.
C.
He will wait for the professor.
D.
He is late and there are no more chairs.
【单选题】I was speaking with my son's teacher about what we could do _____ music education at his school. i m p r ove i m p r ov i ng t o i m p r o ve
【判断题】烯烃 a - H 卤代为自由基反应,是与烯烃的加成竞争的。
【单选题】I’m still looking for the best way, but here, I’d like to list some points ______ my won experience.