生物源性感染后造成急性播散性脑脊髓炎的潜伏期范围为（）
A.立即发病，无潜伏期
B.4～6周
C.3～4周
D.1～2周
E.小于1周
参考答案：D
You _____ pay too much attention to your assignment, for it is ever so important. [ ]
A. mustn't
B. can't
C. needn't
D. oughtn't to
对痛风性关节炎描述错误的是()
A.反复发作的关节痛
B.以足跖趾关节多见
C.常伴皮肤红肿灼痛
D.常因饮酒而诱发
E.一般不遗留畸形
