请找出中式英语表达方式的句子。（ ）
A: It is essential to strengthen national defense.
B: It is essential to strengthen the building of national defense.
A: It is essential to strengthen national defense.
B: It is essential to strengthen the building of national defense.
举一反三
- Eisenhower once believed that a national highway system would ensure military success in national defense.
- There is hardly worse challenge than the one concerning national defense.
- With whom did Swedish Defense Minister sign two defense agreements A: The German Minister of Defense. B: The German partner. C: The delegation from Stockholm. D: The corporation producing military equipment.
- 1.The Air force is an important _______ of national defense. A: company B: component C: consist D: comment
- The government calls on young persons' __________ service to the national defense. A: valuable B: passionate C: virtual D: voluntary