结核性脑膜炎进入晚期的特征是()
A.呕吐,便秘
B.性格改变
C.半昏迷,昏迷,频繁惊厥
D.脑膜刺激征
E.以上都不是
参考答案:C
I have a lot of readings _____ before the end of this term.
A.completing
B.to complete
C.completed
D.being completed
原子吸收光谱法和分光光度法有何相同和不同之处