空调系统中PACK的功用是()
A.调节热空气压力;
B.调节三个区域的温度;
C.调节基准温度。
参考答案:C
Martial Art Films are supposed to be educational, inspiring, as well as______.
A.entertaining
B.limited
C.violent
D.boring
下列哪一种局麻药的一次限量是正确的()
A.普鲁卡因1000mg
B.丁卡因60mg
C.布比卡因150mg
D.利多卡因400mg
E.邦妥卡因150mg