在“六书”理论中,人们理解分歧较大的造字法是()。
A.象形
B.假借
C.会意
D.指事
E.转注
参考答案:E
丹参的脂溶性成分的结构为( )
A.氰苷 B.蒽醌类 C.菲醌类 D.萘醌类 E.苯醌
A foam-type portable fire extinguisher would be most useful in combating a fire in().
A.solid materials such as wood or bales of fiber
B.flammable liquids
C.a piece of electrical equipment
D.combustible metallic solids