________ are two competing technologies that allow multiple video cards to be installed in one system.
A. CrossFire and ATI
B. NVIDIA and SLI
C. SLI and SiS
D. SLI and CrossFire
查看答案
What are examples of storage devices?
A. Keyboards, flash drive, printer
B. Flash drive, RAM, DVD-ROM
C. Hard drive, DVD-ROM, flash drive
D. All of the above
What does RAM stand for?
A. Retrieve Alternate Memory
B. Random Access Memory
C. Random Access Module
D. Read Always Memory
【单选题】有关软膏剂基质不正确的叙述是( )
A. silicones又叫二甲基硅油
B. O/W型乳剂基质应加入适当的防腐剂和保湿剂
C. 乳剂型基质可分为O/W型和W/O型两种
D. 乳剂型基质由于存在表面活性剂,可促进药物与皮肤的接触
E. vaseline是吸水型基质
【单选题】下列对creams说法不正确的是( )
A. W/O型乳膏剂需加入保湿剂、防腐剂
B. O/W型乳膏基质中药物释放与穿透皮肤较其他基质快
C. O/W型乳膏具反吸收作用,忌用于溃疡创面
D. 表面活性剂常作为乳膏剂的乳化剂
E. 乳膏剂分为O/W型与W/O型两类
微信支付 
支付宝支付