已知真航向求取推算航迹向的航迹推算中,要求已知()。
Ⅰ.真航向;Ⅱ.计程仪航程;Ⅲ.推算船位;Ⅳ.风流要素。
A.Ⅰ~Ⅳ
B.Ⅰ,Ⅲ,Ⅳ
C.Ⅰ,Ⅱ,Ⅳ
D.Ⅱ,Ⅲ,Ⅳ
参考答案:C
— _____ was the watch made?
— It was made _____ Hefei. [ ]
A. When; by
B. Where; in
C. What; of
D. How; from