If r and s are integers and rs+r is odd, which of the following must be even
A. r
B. s
C. r+s
D. rs-r
E. (E) r2+s
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关于咨询师素质,下列说法错误的是______。
A. 以知识、经验积累为前提
B. 与智力有关,且绝对相关
C. 培养想象力、好奇心和求知欲
D. 要排除影响思维创新的因素
下列关于存储的叙述中,正确的是______。
A. CPU能直接访问存储在内存中的数据,也能直接访问存储在外存中的数据
B. CPU不能直接访问存储在内存中的数据,能直接访问存储在外存中的数据
CPU只能直接访问存储在内存中的数据,不能直接访问存储在外存中的数据
D. CPU既不能直接访问存储在内存中的数据,也不能直接访问存储在外存中的数据
Two cars left the same town traveling in the same direction. Car A traveled 40 miles per hour and left at 3:20. Car B traveled 50 miles per hour and left at 4:40. At what time will car B catch up with car A
A. 10:00
B. 9:00
C. 8:40
D. 7:20
E. (E) 6:10
Joe works two part time jobs. One week Joe worked 8 hours at one job, earning $150, and 4.5 hours at other job, earning $90. What were his average hourly earnings for the week
A. $8.00
B. $9.60
C. $16.00
D. $19.20
E. (E) $32.00