在哈夫曼编码中,若编码长度只允许小于等于4,则除了两个字符已编码为0和10外,还可以最多对______个字符编码。
A.4
B.5
C.6
D.7
参考答案:A
补全对话,每空一词。
A: Hello, Mike! Have you had an English 1.______?
B: Yes, we 2.______ it yesterday.
A: Did you do 3.______ in it?
B: Yes, I've got 95 marks.
A: Great. 4.______ do you 5.______ English well?
B: I learn by 6.______ conversations with friends. Often we 7.______ in groups.
A: How 8.______ listening and writing?
B: Always I watch CCTV English news, and I keep writing English diaries.
A: That sound 9.______. Can you tell me the easiest but best way?
B: It's hard to say. Just remember to use English all the 10.______. Don't be lazy.
患儿,3岁。昨晚吃月饼2块,夜间阵阵哭闹,呕吐2次,至今晨大便5次,气味酸臭,便稀薄,便后哭闹减轻,不思进食,舌苔垢腻。其治法是()
A.消食化滞
B.清肠化湿
C.祛风散寒
D.健脾益气
E.温补脾肾