脓毒症最具特征性的临床表现是()。
A.寒战后高热
B.白细胞计数达(20~30)×109/L以上
C.可出现感染性休克
D.转移性脓肿
E.病情重而病程短
参考答案:D
转基因生物有益无害.______.
Only in the late 18th century did the ______ of grammar rules with translation into target language become popular as the principal practice technique.