女,42岁。胸中烦热,口苦咽干,腹痛喜暖,大便稀溏。临床诊断最可能是()
A.真寒假热证
B.真热假寒证
C.上热下寒证
D.表实里虚证
E.表热里寒证
参考答案:C
It's convenient to own a car; however,I don't think it's good to drive one________you go,especially
in places with a lot of traffic. [ ]
A. whenever
B. whichever
C. whatever
D. wherever
杂交一代动物有何特征,动物实验选择杂交一代动物的意义是什么?