修船符号“△”的含义是（）。
A.现场校正（校直）
B.割换
C.拆装校直（校正）
D.换新
参考答案：A
---I have tried very hard to find a solution to the problem, but in vain.
---Why not consult with Frank? You see, .
A．great minds think alike
B．two heads are better than one
C．a bird in the hand is worth two in the bush.
D．it’s better to think twice before doing something
卵巢上皮性恶性肿瘤的转移途径是：
A．40岁，单侧囊性包块，直径4cmB．28岁，双侧囊实性包块，直径8cm，活动C．50岁，子宫后陷凹有不平、实性结节，有腹水D．35岁，痛经，后陷凹有结节E．30岁，原发不孕，低热，腹水，盗汗，消瘦
