《论毅力》结合自身经验，谈谈本文所说道理有何启发意义？
参考答案：
“有毅力者成，反是者败”，即只有具备坚韧毅力去战胜逆境，才能在事业上获得成功。
下列哪项不是活血祛瘀药的性能特点（）
A.活血止痛药多具辛味，既入血分，又入气分
B.活血调经药大多辛散苦泄，善通畅血脉而调经水
C.活血疗伤药多酸涩，主归肝、肾经
D.破血消症药味多辛苦，虫类药居多，兼有咸味
E.破血消症药入肝经血分，药性峻猛，走而不守
Speaker A: What’s the rate for sending a package of books surface mail to Japan Speaker B: ().
A. Do you have any friends in Japan
B. 85 cents per pound, but the limit is 11 pounds per package if you want it to go book rate.
C. I’m afraid it will take about days for these books to reach Japan.
D. The rate for surface mail is cheaper than that for airmail, but surface mail takes longer.
