读“地球公转示意图”,当地球位于图中C处时,北半球的昼夜长短情况是( )
盛夏天气炎热,小佳将奶茶喝掉一半后盖上盖子放入冰箱,一段时间后,她拿出奶茶瓶,发现奶茶全结成冰,请问奶茶结冰后不变的量是( )
There are forty students in Tom's class. of them comes from Beijing.
将下列单词与对应的图片匹配。
( 1 )sunglasses____ A.
( 2 )glove ____ B.
( 3 )shoes ____ C.
( 4 )umbrella ____ D.
( 5 )scarf____ E.