新型隐球菌脑膜炎常通过下列哪条途径发病
A.经周围神经上行人颅内B.母婴传播C.消化道传播D.上呼吸道感染E.经血管鞘人颅内
参考答案:D
The core of the Natural Approach is ______ which is considered a subconscious process.
A.language learning
B.linguistic competence
C.linguistic capacity
D.language acquisition
下列固定收益证券中,风险最低的是( )。
A.企业债券 B.短期国库券 C.公司债券 D.商业票据