下列哪种疾病不是朊毒体感染（）。
A.克--雅病
B.莱姆病
C.库鲁病
D.裘--斯综合征
E.致命性家族失眠症
参考答案：B
．—What's the capital of Bhutan?
—________ Let's go online and find it out.
A．You bet!
B．Give me a break!
C．Guess what!
D．You've got me there!
—It is said that Mike fought with Tom in class.
—It ______ be him. It is not ______ him to have done it like that. [ ]
A. can't; like
B. may not; as
C. can't; as
D. mustn't; like
