在宿主抗移植物反应中,下列哪种排斥最严重()。
A.慢性排斥
B.急性排斥
C.亚急性排斥
D.超急排斥
E.迟发排斥
参考答案:D
11.Nowadays electrical energy_________from the sun has become the most widely used energy.
A.comes
B.coming
C.to come
D.Came
门框一般分为有亮子和()两种。