Food security is an essential guarantee______ world peace and development.（ ）
A: to
B: at
C: on
D: for
A: to
B: at
C: on
D: for
举一反三
- A national system of food security guarantee policies is______ place.（ ） A: from B: at C: in D: to
- The ______ of regional development disharmony is actually the disharmony of urban-rural development. A: essence B: essential C: essences D: essentially
- Healthy development of the child is of basic importance; the ability to live harmoniously in a changing total environment is essential to such development.
- According to Harris Miller, __________. A: many countries in the world are short of IT workers B: IT workers are essential to the industrial revolution C: IT workers are essential to the development of today' s society D: iron ore is as important as IT workers in the course of social development
- Russia as a permanent member of the UN Security Council has played a ( ) role in the peace negotiations on the world nuclear issue.