【简答题】A g ___ is a small tool or device that does something useful.
【简答题】The navigation product launched in Sweden is helpful to drivers because it can
【单选题】If someone establishes something(e.g., an organization), they(----)it
【简答题】But the stars are apparently their principal means of navigation only.
【单选题】[5-12]The Navigation Rules state that a vessel shall be operated at a safe speed at all times so that she can be stopped within ___.
A.
the distance of visibility
B.
1/2 the distance of visibility 1/2
C.
a distance appropriate to the existing circumstances and conditions
D.
the distance that it would require for the
【单选题】If your friend said _____ about you, you could keep silent. [ ]
【单选题】下列诗句中,不属于对江南水乡描写的( )。
【单选题】Based on Section G,if you want to remember something, _______________.
A.
you should be able to focus on it for a while
B.
you should have enough time to do it
C.
you should try some complicated tasks at the same time
D.
you should try some simple things