防止疟疾复发选用的药物是（）
A.乙胺嘧啶
B.氯喹
C.奎宁
D.哌喹
E.伯氨喹
参考答案：E
φ22mm常规钢抽油杆，其加大过渡部分长是（）。
A、20mm
B、22mm
C、24mm
D、25mm
Which of the following statements regarding fund of funds (FOF) is FALSE（）
A. FOF may be able to offer access to hedge funds that are closed to new, individual investors.
B. FOF have consistently delivered high returns to investors.
C. A FOF can give an investor exposure to several hedge funds for roughly the same investment required to directly invest in a single hedge fund.
