最常见的神经上皮源性肿瘤占神经上皮源性肿瘤的40%的肿瘤为()
A.髓母细胞瘤
B.室管膜瘤
C.星形细胞瘤
D.少枝胶质细胞瘤
E.以上均是
参考答案:C
Excuse me, Miss Wang, a man named Robert from the Bank of Construction ____ all morning.
Could you speak to him now? [ ]
A. phones
B. has phoned
C. has been phoning
D. was phoning
位于新疆的()是古代举世闻名的"丝绸之路"新北道通往中亚、欧洲诸国的必经之路。早在新石器时代,该地区就有人类活动,创造出灿烂的"四道沟文化"。
A、巴音郭楞蒙古自治州
B、昌吉回族自治州
C、克孜勒苏柯尔克孜自治州