阅读下面短文，在空白处填入1个适当的单词或括号内单词的正确形式。China launched the last satellite of the BeiDou -组卷网

题型：语法填空-短文语填难度：0.65 引用次数：73 题号：11907360

阅读下面短文，在空白处填入1个适当的单词或括号内单词的正确形式。

China launched the last satellite of the BeiDou Navigation Satellite System (BDS) from the Xichang Satellite Launch Center in southwest China’s Sichuan Province at 9:43 am BJT (01:43 GMT) 1 June 23.

The satellite, carried by a long March-3B carrier rocket, is the 30^th BDS-3 satellite and the 55^th of 2 whole BeiDou satellite family. The launch marked the completion of the country’s domestically developed BeiDou constellation. When 3 (full) developed, the system will offer 4 (it) users services including high-precision positioning and short message communication.

5 (weigh) over 10,000 pounds, the final BDS satellite is the largest of its kind in the family, and is filled with propellants for the movement in orbit, said deputy chief designer Liu Tanxiong. “The reason 6 we launched this one in the final stage is to round out the navigation network,”Liu added. The last satellite, after joining BDS-3 family, will allow the constellation 7 (provide) more cost-effective navigation services, which rapidly wins the 8 (globe) market.

By 2000, the construction of the BDS-1 was completed, which was mainly used to broadcast positioning and timing 9 (signal) over China. 12 years later, the construction of BDS-2, designed to provide navigation services over the broader Asia-Pacific region, was completed. Now, the construction of BDS-3, with 24 satellites in medium-Earth orbits, three in inclined geosynchronous satellite orbits and three in geostationary orbits, 10 (schedule) to provide services worldwide.

21-22高三上·安徽六安·阶段练习查看更多[2]

更新时间：2020-12-19 15:30:38 |

纠错收藏下载加入试卷

【知识点】科学技术

相似题推荐

语法填空-短文语填(约210词) | 适中 (0.65)

名校

文章大意：这是一篇说明文。文章主要介绍了克隆技术，包括克隆的动物和克隆技术的应用。

【推荐1】阅读下面短文，在空白处填入1个适当的单词或括号内单词的正确形式。

Cloning is a technique scientists use to make genetic copies of living things. Genes, cells, tissues and even whole 1 (animal) can all be cloned.

Some clones already exist in nature. Single-celled organisms like bacteria make 2 (exactly) copies of themselves each time they reproduce. In humans, identical twins are similar to clones.

Scientists also make clones in the lab. They often clone genes in order to study 3 better understand them. 4 (clone) a gene, researchers take DNA from a living creature and insert it into a carrier. Every time that carrier reproduces, a new copy of the gene 5 (make).

In 1996, Scottish scientists cloned the first animal, 6 is a sheep named Dolly. Since then, scientists have cloned cows, cats, deer, horses and rabbits. They still have not cloned a human, though. In part, this is because 7 is difficult to produce a viable (能成活的) clone. In each attempt, there can be genetic mistakes that prevent the clone from 8 (survive). There 9 (be) also ethical concerns about cloning a human being.

The cloning of animals has been used in a number of 10 (difference) applications. Livestock (家畜) like cows and pigs have been cloned to produce more milk or meat. Clones can even “bring back” a beloved pet that has died. Cloning might one day bring back extinct species like the woolly mammoth or giant panda.

2023-05-05更新 | 77次组卷

相似题纠错收藏详情加入试卷

语法填空-短文语填(约180词) | 适中 (0.65)

文章大意：本文是说明文。文章主要介绍蛟龙号潜水艇。

【推荐2】Complete the news report below with the appropriate forms of the verbs in brackets.

Named after a mythical dragon, jiaolong is China`s first manned deep-sea research submersible. It was developed by Chinese designers 1 (start)from 2002 and entered service in 2010, 2 (make)China the fifth country in the world with deep-sea exploration technology.

In 2017, during a 138-day expedition that 3 (start)in February, the submersibles mother ship, Xiangyanghong 09 sailed nearly 34.000 km into the South China Sea, the northwestern Indian Ocean, and the northwestern Pacific Ocean. Jiaolong conducted 30 dives 4 (make)scientific investigations and 5 (collect)samples. The submersible made five dives in the Mariana Trench and the Yap Trench, both in the western Pacific Ocean. These operations have enabled scientists 6 (better understand)geographical and biological conditions deep under the oceans.

Right now, Jiaolong is undergoing maintenance before 7 (start)its next adventure. In 2020, Jiaolong will begin its first global deep sea scientific exploration mission. It will have a new mother ship, which is 8 (name)Deep Sea No. 1. This grand mission is intended 9 (strengthen)China’s capacity in 10 (survey)deep-sea environments and will increase the nations influence in this field.

2022-12-13更新 | 87次组卷

相似题纠错收藏详情加入试卷

语法填空-短文语填(约180词) | 适中 (0.65)

文章大意：这是一篇新闻报道。主要报道了神舟十三号任务已经结束了近年来中国天宫空间站建设的技术示范阶段。

【推荐3】阅读下面短文，在空白处填入1个适当的单词或括号内单词的正确形式。

The Shenzhou XIII mission 1 (conclude) the technology demonstration phase in the 2 (construct) of China’s Tiangong space station in recent years, according to a senior space official.

After 3 (be) in orbit for six months, the three crew members of the Shenzhou XIII mission departed Tiangong, or Heavenly Palace, and returned to Earth on Saturday morning, 4 (complete) the nation’s longest manned spaceflight.

Major General Zhai Zhigang, Senior Colonel Wang Yaping and Senior Colonel Ye Guang-fu breathed fresh air 5 the first time after their half year space journey when ground recovery personnel opened the hatch of their reentry capsule at 10:03 am.

“I am feeling very good. We want to report to the motherland and the people that we have 6 (successful) completed the Shenzhou XIII mission. We thank all the Chinese people for their support and 7 (encourage). Our gratitude also goes to all those 8 (involve) in the Shenzhou XIII mission 9 accompanied us day and night,” Zhai, the mission commander, told China Central Television during a live broadcast.

“It is 10 power and strength of our country that built us the advanced space station. I am proud of my great motherland,” he said.

2022-07-14更新 | 84次组卷

相似题纠错收藏详情加入试卷