单项选择题

T淋巴细胞和B淋巴细胞在接触抗原后繁殖的主要场所是
A、肝和淋巴结
B、脾和淋巴结
C、骨髓和淋巴结
D、淋巴结
E、胸腺和淋巴结

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下列只用做辅助止血方法的是（）

A.止血带止血法
B.抬高伤肢法
C.冷敷法
D.直接止血法

单项选择题

In his book, The clash of world civilizations and remaking of world order (1996), Huntington claims that the world conflicts are basically civilization conflicts. He also offers a strategy to preserve the unique cultures in the world and emphasizes the need of coexistence of a multi-civilizational world.( )

A．对
B．错