The following output occurs on Router R2. Which of the following statements can be confirmed as true based on the output from R2?（） R2# show ip policy Interface Route map Fa0/0 RM1 Fa0/1 RM2 S0/0/0 RM3
A. R2 will forward all packets that enter Fa0/0 per the PBR configuration.
B. R2 will use route map RM2 when determining how to forward packets that exit interface Fa0/1.
C. R2 will consider using PBR for all packets exiting S0/0 /0 per route map RM3.
D. R2 will consider using PBR for all packets entering S0/0/0 per route map RM3.
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NH3在氧气中燃烧可以生成（）。
A. N2
B. NO
C. NO2
D. HNO3
慢性肺源性心脏病急性期利尿原则是（）。
A. 选用作用轻的利尿药，小剂量、短疗程、间歇给药、联合使用排钾和保钾利尿剂
B. 选用作用轻的利尿药，大剂量、短疗程、间歇给药、联合使用排钾和保钾利尿剂
C. 选用作用轻的利尿药，小剂量、长疗程、间歇给药、联合使用排钾和保钾利尿剂
D. 选用作用轻的利尿药，小剂量、短疗程、持续给药、联合使用排钾和保钾利尿剂
E. 选用作用强的利尿药，小剂量、短疗程、间歇给药、联合使用排钾和保钾利尿剂
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