你可能感兴趣的试题
not used to make rings stamped with 100K an alloy of different metals colorless
Although gold is very valuable, it is also very expensive. Gold jewelry is stamped with its karat weight. Gold jewelry is made using alloys. Colored gold is more valuable than white gold.
an equal amount of silver an equal amount of gold all the water in the jar now the water that leaves the jar
an equal amount of silver an equal amount of gold all the water in the jar now the water that leaves the jar
at all times of the day and night at all times, right through the week two or three times a week day and night, right through the week
at all times of the day and night at all times, right through the week two or three times a week day and night, right through the week
The lower the karat rating, the purer the gold. The higher the karat rating, the more expensive the gold. The higher the karat rating, the less valuable the mixture. The lower the karat rating, the purer the alloy.
all over Asia near the sea in Asia the biggest city in Asia right in the middle of Asia
Ⅰ only Ⅰ and Ⅱ only Ⅱ and Ⅲ only Ⅰ, Ⅱ, and Ⅲ
an equal amount of silver an equal amount of gold all the water in the jar now the water that leaves the jar
an equal amount of silver an equal amount of gold all the water in the jar now the water that leaves the jar
湘公网安备 43130202000226号