请根据以下内容回答 60~64 题
A.An organ of higher plants, usually subterranean and having several functions,including the absorption and conduction of water and dissolved minerals, food storage,and anchorage of the plant in the soil. It is distinguished from the stem by its structure,by the manner in which it is formed, and by the lack of such appendages as buds and leaves.
B.It grow horizontally, as a food-storing organ, beneath the surface of the ground, and enables a plant to reproduce itself.It has nodes, buds,and tiny leaves and does not die when cut; replanted, it yields new plant.
C.both A and B
D.neither A nor B
第 60 题 一种起运输作用的器官是()
A.服务器
B.终端
C.交换机
D.中间件
()是动物体内最大的淋巴器官,能产生淋巴细胞,破坏衰老死亡的红细胞,贮存血液,产生抗体等作用。
A.肝脏
B.胃
C.骨髓
D.脾
关于脾脏叙述不正确的是
A、贮存血液的器官
B、免疫应答的基地
C、对抗原性异物具有过滤作用
D、淋巴细胞定居场所
E、中枢免疫器官
禽类消化系统中,主要起贮存、湿润和软化食物作用的器官是
A、口腔
B、食管
C、嗉囊
D、腺胃
E、肌胃
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