人体贮存能量的形式,为乳糜微粒和极低密度脂蛋白的主要成分的是()
A.VLDL—ch
B.TC
C.TG
D.LDL—ch
E.HDL—ch
参考答案:C
A professor in Beijing University, believed that business inthe market economy must __ the right balance
between theirpursuit of profits and the needs of customers. [ ]
A. regain
B. assume
C. strike
D. decline
被钓上钩的鲤鱼往往会释放一种化学物质留在钓钩上,从而使钓鱼人长时间钓不到鲤鱼。这种现象在生物学上属于[ ]
A.种内斗争
B.种内互助
C.竞争
D.互利共生