1. Nodoubt, robots are having a dramatic effect _________ the labor market in this country. (2018-12)A. on B. over C. about D. withhave an effect/impact onsb/sth 给....带来...的影响2. How we pack the products has a significant impact ______ the cost of logistics. (2015-12)A) of B) on C) to D) with3. The report shows that over half of the women are suffering _______ second-hand smoke at the workplace. (2015-12)A.inB. forC. onD.from4. We understand you need easy access ______ up-to-date information about your accounts in our bank. (2014-12)A).inB. toC. forD. with
酵母菌是 真菌的统称。
A. 球形、卵圆形单细胞
B. 球形、卵圆形多细胞
C. 丝状单细胞
D. 丝状多细胞
酵母菌最适生长温度是
A. 22℃
B. 25℃
C. 28℃
D. 35℃
酵母菌主要的繁殖方式是
A. 裂殖
B. 芽殖
C. 复制
D. 有性孢子