长方形的长比宽多4cm,面积为60cm2,则它的周长为( )。
32cm
We haven’t seen each other for many years, so I am quite _____ the plan that we have a party this weekend.
A.in place of
B.in favour of
C.in honour of
D.in need of
下图①~⑤表示一个细胞有丝分裂过程中染色体变化的不同情况,在整个细胞周期中,染色体变化的顺序应该是()
A.①④⑤③②
B.②③①④⑤
C.①⑤④③②
D.⑤④③②①