14 It is hard to judge a stone in the rough. Diamonds tend to lose at least 50% of their weight during the _____
process.
(A) distracting (B) polishing (C) retrieving (D) squeezing
It is hard to judge a stone in the rough. Diamonds tend to lose at least 50% of their weight during the polishing process很難判斷粗糙的石頭。 在拋光過程中,鑽石往往會損失至少50%的重量