题目内容

【题目】农业大棚的出现使很多地区的水果和蔬菜能够常年生产。据此完成下列各题。

1农业大棚主要解决农业生产中的限制因素是

A.土地B.水源C.温度D.光照

2很多农业大棚能够自动检测大棚内的环境状况,并及时告知农户,提高管理效率。这表明

A.农业生产中人的影响因素越来越小B.市场因素对农业的影响越来越大

C.农业生产的成本越来越高D.科学技术在农业生产中发挥更大作用

【答案】

1C

2D

【解析】

根据环境中影响生物生活的各种因素叫生态因素,分为非生物因素和生物因素。非生物因素包括:光、温度、水、空气、土壤等。生物因素是指环境中影响某种生物个体生活的其他所生物,包括同种和不同种的生物个体,进行分析解答。

1温度过低,不适合农作物生长,而大棚种植技术主要解决了作物生长中冬季温度过低的非生物因素的限制。故选:C

2很多农业大棚能够自动检测大棚内的环境状况,并及时告知农户,提高管理效率。这表明科学技术在农业生产中发挥更大的作用,故D正确。故选:D

本题考查影响农业发展的因素,理解解答即可。

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【题目】用方框中所给词或短语的正确形式填空,使文章通顺、连贯、合理。(每空只能填一个单词或一个短语,每个单词或短语限用一次)

decision, surprise, he, late, become, slow, be responsible for, men

On Feb 12, Dalian was taking a train to Changsha, Hunan, for a business trip. He chose to remain in the lunch carriage(车厢) after having lunch. He didn’t know that the carriage was only for people going to Wuhan.

Several hours1, when the train arrived in Wuhan, Dalian was asked to get off, as he was in the special carriage. Although he was 2, he didn’t want to cause trouble and got off the carriage with just one bag. As Wuhan had been locked down because of the epidemic(疫情), Dalian couldn’t find a hotel to stay in. When he didn’t know what to do, he saw a notice online looking for volunteers to work in hospitals. Dalian3to give it a try.

He soon4a volunteer at Wuhan No. 1 Hospital. He5 taking out rubbish, sweeping the floor, disinfecting (消毒) the hospital, dealing with used protective(防护的) suits and bringing meals to patients. The young 6had to work twelve hours every day, changing his protective suit three times a day. While working, he couldn’t drink anything or go to the bathroom. He also had to keep in close touch with patients who were in danger.

Dalian was afraid of getting infected(感染) at first. But after seeing more patients get better than before, his fear 7went away. Dalian’s story has become popular online. People were moved by his experience, but also described8, as having “a heart of gold”.

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