题目

对于大棚栽培的农作物，下列增产措施并不是通过增强光合作用速率实现的是（ ） A . 适当给大棚通风 B . 夜间适当降低农作物的环境温度 C . 给农作物补充适宜强度的人工光照 D . 适当增施农家肥 答案：BThe successful candidate will be adaptable, take ownership of and develop in the role by taking initiative, being motivated and ________ high standards.A. ensured B. to ensureC. ensuring D. to be ensured