问题
选择题
_____ you are in a speech contest or you are giving a talk in class, a little preparation will make your presentation organized and dynamic.
A．Either
B．On condition that
C．No matter
D．Whether
答案
答案：D
考查连词。whether…or…不管…还是…；either…or…或者…或者… no matter后面应加疑问词，故排除。on condition that只要，条件是，不符合语境。