What efforts has China’s civil aviation done in order to prosper?
A: joint operation
B: code sharing
C: investment cooperation
D: All of the above
A: joint operation
B: code sharing
C: investment cooperation
D: All of the above
举一反三
- China's civil aviation began to develop rapidly in the 1990s.
- 短文互译：From English into Chinese A joint venture is a form. of business organization undertaken by two or more parties. It is China’s Policy to enter into joint ventures with foreign enterprises in order to expand international economic cooperation and technologi.
- The Civil Aviation Administration of China announced that nobody on the plane was hurt.
- For an airline like China Southern, safety would be considered to be an _____ A: Order qualifier B: Competitive priority C: Order winner D: All of the above
- She thinks ________ he has done is right. A: all what B: all that C: which D: all which