钢的机械性能主要有：（）、（）、（）、（）等。
参考答案：强度；硬度；塑性；韧性
下列情况不是急性生殖器炎症后病变的是（）
A.输卵管积水
B.输卵管卵巢囊肿
C.慢性盆腔结缔组织炎
D.卵巢巧克力囊肿
E.慢性输卵管卵巢炎
Details of Net Asset Values of three funds: NAV as on Dec 31, 2008NAV as on Dec 31, 2007 Fund A $12$10 Fund B $55$50 Fund C $50$55 The Fund that had the best performance during 2008 was:（）
A. Fund A.
B. Fund B.
C. Cannot be determined from the above information.
