A:优越性
B:盲目性
C:滞后性
D:自发性
把蚕豆叶表皮浸泡在7%的尿素溶液中,开始时表皮细胞发生了质壁分离,然后自动复原,发生复原的原因是( )
男工人数是女工人数的2倍,女工人数是男工人数的____%,男工占工人总 数的____/____.
Who
With whom
Where to go
What to do
My father
Mr Green: ____
France
Go ____
My mother
Mrs Brown: Patient
____
Go shopping and
My sister
Linda: Smart
The US
Visit ____