功似龙骨而长于软坚散结的药物是（）
A.玳瑁
B.牡蛎
C.代赭石
D.珍珠
E.紫贝齿
参考答案：B
How close parents are to their children ________ strong influence on the character of the children. [ ]
A. have
B. having
C. has
D. to have
彝族待客最有特色的菜品是（）
A.小猪猪
B.风干肉
C.砣砣肉
D.涮羊时
