男,61岁,头晕头痛伴行走不稳1月余,根据所提供图像,最可能的诊断是()
A.胶质瘤
B.髓母细胞瘤
C.天幕切迹缘)脑膜瘤
D.转移瘤
E.淋巴瘤
参考答案:C
这是什么踏板?
A、加速踏板B、离合器踏板C、制动踏板D、驻车制动器
. There is such an occasion ___________ we know lots of words, but we can’t choose a suitable one to express ourselves.
A.where
B.when
C.which
D.what