G试验不能用于检测的真菌感染有()
A.曲霉菌
B.念珠菌
C.隐球菌
D.枝顶孢霉
E.毛霉菌
参考答案:C, E
天线垂直波瓣较()可以克服船摇摆时丢失物标。
Making friends is not easy. Sometimes it can take years _______ you become true friends with someone. [ ]
A. before
B. after
C. because
D. unless