4 The key _____ survival for most companies is flexibility. ( )
A: of
B: at
C: in
D: to
A: of
B: at
C: in
D: to
举一反三
- In Paragraph Five, the writer uses the figures to indicate（） A: quite a few companies meet the standards. B: most companies realize the key to success. C: not many companies have outperformed the criteria. D: a few companies have done better than others.
- ______ is the most common form of policy. It provides great flexibility.
- The key concept that underlies all bureaucracies is ________. A: efficiency B: decentralization C: increased flexibility D: standardization
- We will not find megalodon, but we might find the key ___ our survival on Earth. A: for B: of C: in D: to
- We will not find megalodon, but we might find the key our survival on Earth.