实验中被玻璃划伤，应首先如何处理（）
A.大量水冲洗
B.先止血
C.应先把碎玻璃从伤处挑出
D.立刻就医
参考答案：C
—Time flies! The wonderful party is over. We'll have to part.
—No need to feel blue. _________
A．A still tongue makes a wise head.
B．A single flower does not make a spring.
C．All good things come to an end.
D．All that glitters is not gold.
核纤层蛋白属于（）
A.微管蛋白
B.中间丝蛋白
C.微丝结合蛋白
D.组蛋白
E.非组蛋白
