SRT和SRS的主要区别在于()。
A.定位精度不同
B.靶区接受的剂量不同
C.病变周围组织剂量陡减不同
D.用于不同放射生物学效应的肿瘤
E.正常组织受照射剂量不同
参考答案:C
—It seems that she doesn't like the dinner very much.
—________. In fact, she's been on a diet following the doctor's advice.[ ]
A. You're right
B. So she does
C. Never mind
D. Not really
用腋表测体温,高热的标准是()
A.38.5~39℃
B.39~40℃
C.39~41℃
D.39.5~40℃
E.38.5~40℃