外表皮灰黑色，茸毛灰褐色或灰黄色的是（）
A.东马鹿茸
B.西马鹿茸
C.砍茸
D.二茬茸
E.花鹿茸
参考答案：A
—Can you give me on how to learn math well?
—Oh, I’m weak in math, I think you can ask Tom for help.
—Thank you all the same.
A. some advice B. some advices C. any advice
通常情况下，()不属于投标担保的具体形式。
A.现金
B.保兑支票
C.房产抵押
D.银行汇票
