机体对结核菌的免疫主要是由于（）
A.细胞免疫
B.体液免疫
C.早期是体液免疫
D.早期是细胞免疫
E.先细胞免疫后体液免疫
参考答案：A
—Who did it better , Bill or Henry?
—I think Bill did just ________ Henry. [ ]
A. as well as
B. as good as
C. as better as
D. more badly than
1258年，征服巴格达并彻底消灭了哈里发 * * 的是( )。
A．蒙古人
B．波斯人
C．印度人
D．突厥人
