汛期对于有可能危及（）的地点，应通知司机及运转车长注意运行。在危险处所派人看守，以免发生灾害事故。
参考答案：行车安全
Canada is the only country that _____ an entire continent in the world, facing the Atlantic ____ the east. [ ]
A. makes up; on
B. covers; on
C. takes up; to
D. do up; in
芳香油植物资源
