铜绿假单胞菌培养特性为()
A.专性需氧
B.专性厌氧
C.兼性厌氧
D.微需氧
E.以上都是
参考答案:A
当某同学遇到困难退缩时,我们让他了解的历史资料最好是[ ]
A.卧薪尝胆
B.合纵连横
C.问鼎中原
D.朝秦暮楚
Does he like movies? Yes, he does. He likes _________.[ ]
A. thrillers
B. documentary
C. tragedy
D. cartoon