利率主要由（）决定。 ["经济周期","资金的供给与需求","通货膨胀","国家货币政策"]
在使用通道时，可创建一个新的 Alpha 通道，请问Alpha通道的主要作用是（） [" 为了更好的使用图层"," 保存图像色彩信息"," 用于存储放建立选择范围"," 以上都不对"]
使用高速缓冲存储器可以大幅度提高（） ["硬盘数据的传输速度","运算器从寄存器取数据的速度","CPU从内存取得数据的速度","内存的总容量"]
试述射线探伤时如何在底片上辩认焊接缺陷？
Your network contains two Active Directory forests. One forest contains two domains named contoso.com and na.contoso.com. The other forest contains a domain named nwtraders.com. A forest trust is configured between the two forests. You have a user named User1 in the na.contoso.com domain. User1 reports that he fails to log on to a computer in the nwtraders.com domain by using the user name NA\User1. Other users from na.contoso.com report that they can log on to the computers in the nwtraders.com domain. You need to ensure that User1 can log on to the computer in the nwtraders.com domain. What should you do（） ["Enable selective authentication over the forest trust.","Create an external one-way trust from na.contoso.com to nwtraders.com.","Instruct User1 to log on to the computer by using his user principal name （UPN）.","Instruct User1 to log on to the computer by using the user name nwtraders\\User1."]
曹操手下的首席谋士有（）、（）、（）、（）。
