如图,梯形ABCD的对角线AC、BD相交于O,G是BD的中点.若AD = 3,BC = 9,则GO: BG =( ).
A:1 : 2
B:1 : 3
C:2 : 3
D:11 : 20
从方框内选择适当的句子补全对话,有两项多余。
A.What do you want to drink?
B.The drinks there are good, aren't they?
C.That's a good place to relax.
D.Why don't we get something to drink.?
E.It is always so crowded there.
F.I like the loud music there.
G.So where would you like to go. Amy?
A: I'm thirsty, Amy.
B: Me too.____
A: Yeah. Let's go to Kangle. I love the soft drinks there.
B: Oh, Sam... I don't like Kangle.
A: Why? ____
B: The drinks are nice. I just don't like its environment. ____ And the loud music makes me feel uncomfortable.
A: OK. ____
B: Let's go to Semi-island. The soft music there makes me feel relaxed.
A: Good idea! ____
图是某地理考察队山区考察所用的等高线地形图,下列分析,不正确的是( )