中子束有较高的生物效应而无Bragg峰。
参考答案:错
热盛动风证的临床表现是()。
A.身体灼热,躁扰不安,甚或昏狂谵妄,斑色紫黑
B.身热壮盛,手足躁烦,甚则狂乱、神昏、痉厥
C.持续低热,暮热早凉,五心烦热,口干咽燥
D.身热夜甚,心烦不寐,舌绛,脉细数
E.身热夜甚,神昏谵语,斑疹隐隐
As she greeted me at the door, my prospective roommate seemed to be the happy and carefree friend I had dreamed before I came to the university.
A.eventual
B.would-be
C.probable
D.prosperous