—Where is the sweater?
—________ the line.
A:On
B:In
选出恰当的应答语。
A.There was no computer room.
B.I looked it up on the Internet.
C.I went to Mountain Tai.
D.He tripped and fell in the race.
E.I went there by plane.
( 1 )____( 2 )____( 3 )____
( 4 )____( 5 )____
藻类植物细胞里都含有____和____ 能够进行光合作用.
“化学反应的绿色化”是指要求原料物质中的原子完全被利用且全部转入期望的物品中,下列反应类型中,一定符合“化学反应的绿色化”要求的是( )