【C6】A．dedicatedB．sincereC．preoccupiedD．choosy

关于感觉平面关键点，描述正确的是A、拇指，C6B、乳线，T6C、小指，C6D、中指，C6E、腹股沟韧带中部，L1

He has______himself to his work and become just a writing machine.A．dedicatedB．dictatedC．d

黄酮类化合物的基本骨架是A．C3-C6-C6B．C6-C3-C6C．C6-C6-C6D．C3-C6-C3E．C6-C6-C3

He sends his______wishes for your future happiness.A．honestB．sincereC．manyD．deepest

组成木质素的单体基本结构是（)A.C5一C3B.C5一C4C.C6一C3D.C6一C4E.C6一C5

有一旋光性化合物A(C6H10) 能与硝酸银的氨溶液作用生成白色沉淀B(C6H9Ag)。将A催化加氢生成C(C6H14) C没有旋