Everybody was when they saw the parade on the 70th Anniversary of National Celebration.
A:exciting; excited
B:excited; exciting
C:exciting; exciting
D:excited; excited
我是拼音小能手
yì xiāng
xiōng dì
jiā lì
qíng jǐng
____
xìng gāo cǎi liè
chā huā
xiāng féng
sī xù wàn qiān
人类的发展离不开化学的发展.从远古时代火的使用,到现代各领域都和化学有着千丝万缕的联系.下列变化中不属于化学范畴的是( )
如图,在正方形OABC中,点B的坐标是(4,4),点E、F分别在边BC、BA上,OE=2 5 ,若∠EOF=45°,则F点的纵坐标是 ( )