57（）
A: numbers
B: periods
C: times
D: rounds
A: numbers
B: periods
C: times
D: rounds
举一反三
- 以下哪个句子更有说服力： A: According to Pitchbook (a research company), in 2017 the numbers of these rounds were greatly down from 2012. B: According to Pitchbook (a research company), in 2017 the numbers of these rounds were down by around 22% from 2012.
- Unit3- Its ability to survive lengthy periods between feeds was well suited to its original habitat: caves, rock —— and hollow trees.Times, Sunday Times (2016)
- Coinciding with the development of jazz in New Orleans in the 1920's______ in blues music. A: was one of the greatest periods B: one of the greatest periods C: was of the greatest periods D: the greatest periods
- In order to store and remember numbers people in earlier times might use all of the following to count with except ______. A: stones or shells B: human hands and fingers C: seeds and beads D: animals
- AES scheme consists of an initial round and r standard rounds, r is 10,12 or 14 that depending on the block and key length. The first r-1 rounds are similar and they consist of 4 transformations. Please described these r-1 rounds in pseudo C language.