How are you? [ ]
A. Fine, thank you.
B. How are you?
C. Hello.
D. Nice to meet you.
答案:A
先化简,再求值:(x+3)(x﹣3)﹣x(x﹣2),其中x=4.
《前赤壁赋》用来写景、抒情、说理的主要自然景物是( )
A.江水、明月、乌鹊
B.江水、清风、白露
C.江水、明月、清风
D.清风、明月、麋鹿