biocatalyst（生物催化剂）
参考答案：
指传统发酵所利用的微生物外，还包括现在生物技术所利用的动植物细胞或细胞中的酶
按要求完成下面各句。每空一词。
小题1:I’m very pround of my parents. (改成同义句)
I ________ _________ in my parents very much.
小题2: I used to exercise every morning. (改为一般疑问句)
________ you _________ to exercise every morning?
小题3:We must keep clean the classroom every day. (改为被动语态)
The classroom must _________ __________ clean by us every day.
小题4: We allow sitting here.(改为否定句)
We __________ __________ sitting here.
小题5:They hardly ever go to movies.（改成反意疑问句）
They hardly ever go to movies,_________ _________？
下列不属于民生新闻特点的是（）。
A.社会化
B.它的题材和语言有浓厚的地方化色彩
C.重直播
D.强调意识形态
