Do not overtake.Vessel on（）2 miles distance will pass on my port side. ["same course","opposite course","port side","starboard side"]
能平衡大气成分，一旦遭到破坏将引起全球气候变化的森林类型是（） ["热带雨林","亚热带常绿硬叶林","热带季雨林","亚寒带针叶林"]
简述市场营销控制的作用。
髓鞘起到的主要作用是（）。 ["传送营养物质","传送带电离子","绝缘","接受电信号"]
Don’t（）this newa to the public until we give you the go-ahead. ["release","relate","relieve","retai"]
叙述快锅工艺流程。
