A:until
B:a
C:whe
D:while
涡虫是具有较强再生能力的雌性同体动物,其80%的基因与人类同源,实验表明,将2cm长的涡虫切成200多块,每块都能很快发育成一条完整的涡虫,下列叙述错误的是( )
销售单价x(元/件)
…
60
65
70
80
85
年销售量y(万件)
140
135
130
120
115
When in conferences, he often leaves for ____ (各种各样的) reasons.
—Is Andy than Amy?
—No.Andy isn't as as Amy.