下列属于知识产权基本性质的是（）。
A、创造性
B、商品性
C、有形性
D、地域性
参考答案：D
缺血性心脏病人非心脏手术麻醉前用药应注意哪些事项？
We were asked to________a note of what he said and________notes afterwards. [ ]
A. take; make
B. keep; compare
C. make; compare
D. make; take
