作用在同一物体上的两个力,大小分别为8N和18N,其合力大小可能是 ( )
A:8N
B:20N
C:5N
D:28N
A: Hello, Kate!
B: Hi, Bob! ____
A: Is your name on it?
B: No, it isn't. ____
A: That's good. ____
B: OK. ____
A: 270-9158.
B: Thank you.
A: ____
A You're welcome.
B.I lost my dictionary.
C.What's her phone number?
D But a picture of me is in it.
E.You can ask Ms. Miller for help.
大金塔、下龙湾是下列哪组国家的著名景点( )