【单选题】You are running parallel to the coast and take a running fix using bearings of the same object.If you are making less speed than used for the running fix,in relation to the position indicated by the f...
【简答题】Sandy: Hi, do you like running? Helen: I hardly ever exercise,
because running is a little boring for me. How about you? Sandy: I stay in shape by running.
I often run an hour each day. Helen: No wond...