题目内容

大多数果蔬气调贮藏比较适合的气体组合是（）

A、O2 0.02%-0.1%，CO2 0.03%-0.1%；
B、O2 0.1%-2.0%，CO2 0.1%-3.0%；
C、O2 2.0%-5.0%，CO2 3.0%-5.0%；
D、O2 5.0%-7.0%，CO2 5.0%-8.0%

查看答案

搜索结果不匹配？点我反馈

更多问题

在果实贮藏中应设法控制和消除（），以削弱果实成熟作用

窖藏和沟藏属于（）

I wanted to get fit, but I found it hard to get motivated and to set myself (1) _______ (realistic/outline×ate) goals. It was too easy to get (2) _ (procrastinated/quoted/distracted) by friends when they asked me to go for a burger or go to the movies with them! So, I made a plan. I found a friend who also wanted to get fit and together we (3) _ (outlined/deadlined/affected) our fitness goals. Having a fitness buddy was great. It really helped me to (4) _ (break down×ick to/focus) on what I wanted to achieve. Now, things are much better. Not every day is perfect, and I’m still easily (5) _______ (tempted/quoted/tasked) by an afternoon in front of the TV! However, I’m much closer to reaching my fitness goals.

某楼面框架梁的集中标注中有N4φ10，其中N表示（）。

A. 架立筋
B. 抗扭钢筋
C. 构造钢筋
D. 支座负筋