题目

用方框中短语的适当形式填空。 spend…on, get in the way of, only then, be serious about,end up, keep…away from, care about, make this choice （1） Too many after-school activities can our study. （2） You must your study. （3） Parents all their children. （4） We think parents shouldn't their teenagers the Internet. （5） Don't too much money clothes. （6） will you understand him. （7） We always speaking Chinese when practicing English in the club. （8） My question is why my boss .下列对原核生物的正确叙述是A.原核生物无核糖体B.原核生物的遗传物质为RNAC.原核生物的细胞无膜结构D.原核生物不能进行有丝分裂