依次填入文段中横线处的语句正确的一项是( )爱心是 ，使饥寒交迫的人感到人间的温暖；爱心是 ，使濒临绝境的人重新看到生活的希望；爱心是 ，使孤苦无依的人获得心灵的慰藉；爱心是 ，使心灵枯萎的人感到情感的滋润。①一首飘荡在夜空里的歌谣 ②沙漠中的一泓清泉③一场洒落在久旱的土地上的甘霖 ④一片冬日的阳光
A：④②①③
B：②①③④
C：①③④②
D：③④②①
下列有关细胞分裂的说法正确的是（ ）
Shanghai changes a lot in transportation(交通).
In the past, there were few cars. Now there are many kinds of cars. There were not any bridges above the Huangpu River. Now there are some bridges on it. There were no tunnels(隧道)under it.
There were no undergrounds. Now there are many undergrounds. There were no light rails(轻轨)and maglevs(磁悬浮). Now there are some lights and maglevs.
The changes make our lives more convenient(方便). I like the changes.
