伯基特淋巴瘤的特点是()
A.一般不累及外周淋巴结
B.多见于非洲儿童
C.由小无裂细胞恶变而来
D.伴有组织细胞反应性增生
E.预后较好
参考答案:A, B, C, D
The school was moved out of downtown as the number of students had grown too _____. [ ]
A. small
B. few
C. large
D. many
从所给的四个选项中,选择最合适的一个填入问号处,使之呈现一定的规律性:().
A.A
B.B
C.C
D.D