从交易头寸区分，投机者可分为（）。
A.多头投机者
B.空头投机者
C.短线交易者
D.长线交易者
参考答案：A, B
小题1:Peter doesn’t like eating vegetables, he has an _______( health) lifestyle.
小题2:In many _______ ( west) countries, people love Chinese food, too.
小题3:Mozart was a famous _____. (piano)
小题4:Several ______ (foreign) visited our school yesterday.
小题5: We are very ______ (excite) at the news.
形成神的主要物质基础是（）
A.津液
B.精液
C.血液
D.营气
E.气血
