湿热蕴结膀胱的临床表现是()。
A.小便涩痛
B.小便失禁
C.余沥不尽
D.遗尿
E.小便频数,色清量多,夜间明显
参考答案:A
Although his lawyers were________about the case,they couldn't be sure about the final outcome of it. [ ]
A. eager
B. professional
C. optimistic
D. sceptical
下列关于基因突变特点的说法中,哪些正确()
①基因突变是不定向的
②所有基因突变对生物体都是有害的
③自然突变在生物界普遍存在
④在自然状态下基因突变的频率是很低的
A.①②③
B.②④⑤
C.①②④
D.①③④