This is the factory ____ we worked a year ago.
A.where
B.that
C.which
D.on which
答案:A
下列微生物属非细胞型微生物者()
A.支原体
B.螺旋体
C.病毒
D.衣原体
E.原虫
(1)
A.01111000010100101000011010011001
B.00000011110010101010011010011001
C.00000010010101101001011101100011
D.01001010001101000010111001100011