影响水稻生长的非生物因素是 [ ]
A.水稻田间的杂草
B.管理水稻的农民
C.阳光
D.水稻的害虫
答案:C
一Do you like to listen to "Mozart"?
一Yes. Listening to _____ is my favorite, especially when I am alone. [ ]
A. songs
B. music
C. concerts
D. operas
鞍区CT扫描技术不包括()
A.横断位扫描鞍区CT检查一般需作增强扫描
B.扫描基线可用听眶线
C.扫描层厚与层间距可用3~5mm
D.扫描范围从听眦线至鞍区上缘
E.疑颅内肿瘤侵入鞍区时,须加作常规头部扫描