经维修的风电机组在启动前，所有为检修设立的各种（）应已拆除。
参考答案：安全措施
一般情况下，暴露在空气中的食品比较容易腐败，干燥的食品也比较容易腐败．______．（判断对错）
A pidgin is a m language developed as a medium of trade, or through other extended but limited contact, between groups of speakers who have no other language in common.
