某数在计算机中用8421BCD码表示为011110001001,其真值为()。
A、789
B、789H
C、1929
D、11110001001B
参考答案:A
调制面团时,面筋蛋白质达到最大胀润值时的温度是()。
A、20℃
B、30℃
C、40℃
D、50℃
Speaker A: I need to make a hotel reservation for my father. Speaker B:______
A.Why does your father want to stay in a hotel
B.Is your father going abroad
C.But do you know how to make a reservation
D.How about calling the travel agency