什么是安全工作的“四个原则”?
参考答案:
就是坚持“管理、装备、培训”并重的原则;坚持“专管和群管相结合”的原则;坚持“重奖重罚”的原则;坚持“安全一票否决”的原则。
The island country had fought _____ the invaders for more than ten years _____it became an
independent republic. [ ]
A. against; before
B. against; when
C. with; since
D. for; while
稻瘟病病症是在病部产生黑色霉层。