长石质瓷是以长石作助熔剂的“长石——高岭土——石英”三组分系统瓷。
参考答案:对
—Liu Xiang has won the men’s 110 m hurdle final in 12.91 seconds.
—___________!He never got such a good result before.
A.Congratulations
B.What a good news
C.My goodness
D.How exciting the race
It was such a _____ to hear that all the earthquake victims in Chile have been taken
good care of. [ ]
A. mercy
B. relief
C. loss
D. laughter