珠穆朗玛峰的海拔为8844.43米,死海的海拔为-400米,两点间的相对高度是( )
A:4844.43米
B:9244.43米
C:8840.43米
D:8444.43米
给下列句子选择合适的答语。
① How do you like this chess? ____ A. It's$50.
② How much is this sweater?____ B. Yes How much is it?
③ The socks are $50. ____ C. It's very pretty.
④ Can l help you? ____ D. They're too expensive.