能防止鹿茸生虫、变色常用的药材是
A.体温计B.血压计C.听诊器D.人工晶体E.光学内窥镜
参考答案:E
从事生产、经营的纳税人应当自开立()或者()起15日内,向主管税务机关()其全部帐号。
The best part of _____vacation isn’t going somewhere else; it’s being where you are, fully involved in _____experience.
A./; an
B.a; the
C.the; an
D.the; /