【单选题】The author uses the phrase ' enthusiastic uncertainty' in paragraph 3 to suggest that the filmmakers were ______.
A.
eager to challenge existing conventions
B.
eager to please but unsure of what the public wanted
C.
excited to be experimenting in an undefined area
D.
delighted at the opportunity to study new acting formulas
【单选题】护士在为颅脑手术病人准备麻醉床时,操作方法错误的是
【单选题】某男,4岁。因发热、咽痛诊断为急性扁桃体炎,青霉素皮试为阳性,应选用