丢失票证的，应查明责任。对责任人，按规定责令其赔偿。有价证券丢失（）赔偿。
A.原价
B.依价
C.加倍
D.照价
参考答案：D
配制50克5%的氯化钠溶液的操作步骤是______、溶解．
_____ many countries in Latin America have been trying to reduce gaps in income,
America has allowed inequality to grow. [ ]
A. While
B. Since
C. If
D. Where
