A:细胞分裂时不断的,无限的
B:生物体内任何细胞都具有分裂能力
C:细胞分裂可使生物体细胞的数量增加,是细胞生长的基础
D:细胞分裂次数越多细胞内的染色体数目越少
请回答:
下列词语中没有错别字的一组是( )
①试管 ②烧杯 ③试管夹 ④酒精灯 ⑤蒸发皿 ⑥石棉网 ⑦铁架台(带铁网)
—Jack hasn't taken his piano lessons for a long time.
—He is considering _________ his piano course and spending more time on his study.