下列细菌中的无芽胞厌氧菌是
A.破伤风梭菌
B.肉毒梭菌
C.产黑色素类杆菌
D.沙门菌
E.志贺菌
参考答案:C
解析:产黑色素类杆菌不形成芽胞,为临床感染常见的厌氧菌。
Crusoe isn’t good enough figure, but his outstanding skill compensates for it.
A.in response to
B.in terms of
C.in favor of
D.in honor of
由于有价证券是虚拟资本,所以它的价格总额总是等于实际资本额。( )