通过（），大学生可以积极把握住参加课题研究的机会。
A.参加学术会议
B.参加社会活动
C.参加课题组和社团活动
D.以上都对
参考答案：C
从0，1，2，3，4中随机选两个不同的数字组成一个两位数，其中偶数有（ ）
A．9个
B．10个
C．11个
D．12个
Steve Waters, a CFA Level I candidate, has decided to enter into a long position of Farmco stock. Since Farmco is thinly traded, Waters is concerned the order will overwhelm the liquidity of Farmco and the price will surge. Waters engages in a series of block trades in order to accomplish the purchase. According to Standard Ⅱ (B) , Market Manipulation, Waters has engaged in:（）
A. neither transaction - based manipulation nor information - based manipulation.
B. transaction - based manipulation, but not information - based manipulation.
C. both transaction - based manipulation and information - based manipulation.
