In April, the weather in some places in Shanxi was really changeable. People still remember they have _______ four seasons in a week.
A:organized
B:experienced
C:described
D:travelled
在直角坐标系中,P是第一象限内的点,OP与x轴正半轴的夹角α的正切值是 43 ,则cosα的值是( )
“……洋装虽然穿在身,我心依然是中国心,我的祖先早已把我的一切,烙上中国印。长江、长城、黄山、黄河,在我心中重千斤……”《我的中国心》这首歌感动了无数海内外中国人。它表达了中华儿女什么样的情感?
写作:____ 读作:____