Salt
Salt is a
remarkable (
remark) thing. It is a basic element in the diet of humans. It is also necessary for 1
(
animal) and plants. It is one of the most 2
(
effect) and most widely used of all food preservatives (防腐剂). Its industrial, 3
(
medicine) and other uses are almost countless. In fact, salt has been a(n) 4
(
importance) element of life. It also has been the subject of many stories. It is 5
(
frequent) mentioned in fairy tales. Some cultures give magical power to salt. In the past, salt 6
(
serve) as money at various times and 7
(
place). Salt has been the cause of bitter wars. In many cultures, 8
(
offer) bread and salt to visitors is a 9
(
tradition) sign of welcome. Salt-making 10
(
cover) much of the history of Europe since Roman times.
