大学英语六级改革适用（阅读）模拟试卷724
词汇理解
The harmful effects of obesity on the heart can\’t be undone by exercise, and it\’s not possible to be \\
1.【C1】
J
解析：空格前为定冠词the，空格后为名词effects，因此空格处应为形容词(a.)。由句意可知，空格处的形容词应与“负面的，有害的”表意相近。形容词中只有J项harmful“(尤指对健康或环境)有害的，导致损害的”符合句意。故本题选J。
2.【C2】
F
解析：空格前为主语Lucia and his colleagues，空格后为名词data，因此空格处应为动词(v.)作谓语。由句意可知，空格处的动词应与“分析，研究”表意相近。动词中只有F项analyzed“分析”符合句意。故本题选F。
3.【C3】
H
解析：空格前为动词were，空格后为形容词active，因此空格处应为副词(ad.)。由句意可知，空格处的副词应与“经常，常常”表意相近。副词中只有H项regularly“经常，有规律地”符合句意。故本题选H。
4.【C4】
G
解析：空格前为动词was，因此空格处应为形容词(a.)或动词分词形式(v.-ed／v.-ing)。由句意可知，空格处的词应与“正常的”表意相近。选项中只有G项normal“正常的，一般的”符合句意。故本题选G。
5.【C5】
I
解析：空格前为主语Lucia，空格后为介词短语in a journal news release，因此空格处应为动词(v.)作谓语。由句意可知，空格处的动词应与“警告”表意相近。动词中只有I项warned“警告，劝诫”符合句意。故本题选I。
6.【C6】
M
解析：空格前为名词weight，空格后为逗号，因此空格处应为名词(n.)。由句意可知，空格处的名词应与“类别，类型”表意相近。名词中只有M项categories“(人或事物的)类别”符合句意。故本题选M。
7.【C7】
L
解析：空格前为be active to，因此空格处应为动词原形。由句意可知，空格处的动词应与“保障”表意相近。动词中只有L项safeguard“保障，保护”符合句意。故本题选L。
8.【C8】
N
解析：空格前为it’s，空格后为形容词important，因此空格处应为副词(ad.)。由句意可知，空格处的副词应与“都”表意相近。副词中只有N项equally“平等地，同样地”符合句意。故本题选N。
9.【C9】
A
解析：空格前为形容词primary，空格后为介词for，因此空格处应为名词((n.)。由句意可知，空格处的名词应与“目标”表意相近。名词中只有A项target“目标，对象”符合句意。故本题选A。
10.【C10】
O
解析：空格前为介词，空格后为形容词active，因此空格处应为动词-ing(v.-ing)。由句意可知，空格处的动词应9“促使”表意相近。动词中只有O项promoting“促使，激起”符合句意。故本题选O。
长篇阅读
The Challenges for Artificial Intelligence in Agriculture
[A] A group of corn farmers stands huddled around an agronomist (农学家) and his computer on the side of an irrigation machine in central South Africa. The agronomist has just flown over the field with a hybrid unmanned aerial vehicle (UAV) that takes off and lands using propellers yet maintains distance and speed for scanning vast hectares of land through the use of its fixed wings.
[B] The UAV is fitted with a four spectral band precision sensor that conducts onboard processing immediately after the flight, allowing farmers and field staff to address, almost immediately, any crop abnormalities that the sensor may have recorded, making the data collection truly real-time.
[C] In this instance, the farmers and agronomist are looking to specialized software to give them an accurate plant population count. It\’s been 10 days since the corn emerged and the farmer wants to determine if there are any parts of the field that require replanting due to a lack of emergence or wind damage, which can be severe in the early stages of the summer rainy season.
[D] At this growth stage of the plant\’s development, the farmer has another 10 days to conduct any replanting before the majority of his fertilizer and chemical applications need to occur. Once these have been applied, it becomes economically unviable to take corrective action, making any further collected data historical and useful only to inform future practices for the season to come.
[E] The software completes its processing in under 15 minutes producing a plant population count map. It\’s difficult to grasp just how impressive this is, without understanding that just over a year ago it would ha
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