当地球运行到远日点附近时,悉尼的季节是( )
A:春季
B:夏季
C:秋季
D:冬季
- Who did Mary dream about one night? ( )
- __________________
To make a living,they are willing to ________ many of the disadvantages of city life such as crime,heavy traffic and pollution. ( )
修改病句
我站在操场上,仔细地看着练习身体的同学们。
如图,一束光斜射向水平地面,经平面镜反射后竖直射入井底,请在图中画出平面镜.