【2019•山东泰安】Earlierthisyear,Chinaachievedanewmilestone(里...

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【2019 • 山东泰安】

Earlier this year, China achieved a new milestone (里程碑) in space research. On January 3, 2019, Chang'e-4 became the first lunar probe (月球探测器) in history to successfully land on the far side of the moon.

The Earth's gravity (重力) slows the moon's rotation (自转), matching it to the speed of its orbit (公转). Therefore, the far side of the moon is almost "dark" and has never been seen. It's this sense of the unknown that makes the far side of the moon such an interesting place for scientific and space research. Being blown by solar (太阳的) winds, the far side may have the special minerals (矿物质 ).  For this reason, Chang'e-4 will study the effect of solar winds on the lunar surface and any mineral found by the spacecraft. Chang'e-4 is also carrying flower seeds, potatoes and silkworm eggs to see whether life is possible on the moon. If it is, then the moon will become a possible choice for space travel in the future.

However, research of the "dark" side isn't easy. As the far side is blocked（阻断） off from us, radio noise coming off Earth is also blocked. This is why China's relay satellite (中继卫星) Queqiao was sent up in May, 2018. Thanks to Queqiao, the communication problem between

Earth and Chang'e-4 has been well solved.

Power supply (电源供应) is also a challenge to the task. Chang'e-4 gets energy from the sun through its solar panels. As we know, a lunar day has the length (长度) of 28 Earth days. After Chang'e-4 was sent up on December 8, 2018, it took the probe over 20 days to orbit the moon to be in a position to be able to land in moon daylight and use its solar panels.

Luckily, everything goes well, Chang'e-4 has worked on the "dark" side for over 5 months. It has sent back many photos of the far side of the moon and has been used to carry out some scientific experiments.

The New York Times used the word "groundbreaking" to praise the task and wrote that "it will offer help to the history and development of the moon".

26. When was Chang'e-4 sent up?

A. In May, 2018.                              B. On December 8, 2018.

C. On January 3, 2019.                        D. The passage doesn't tell us.

27. The main tasks of Chang'e-4 don't include ___________________.

A. studying if life is possible on the moon

B. studying the effect of solar winds on the lunar surface

C. solving the communication problem between Earth and other probes

D. researching any mineral found by the spacecraft

28. The meaning of the underlined word "groundbreaking" in the last paragraph is the closest to

"________________".

A. harmful             B. unpredictable       C. risky               D. pioneering

【回答】

【短文大意】本篇文章难度适中，主要讲述嫦娥四号是第一个登上月球背面的探测器。并讲述了嫦娥四号的任务以及遇到的困难是如何解决的。

26. 细节理解题。根据Chang'e-4 was sent up on December 8, 2018可知，嫦娥四号是2018年12月8日发*的，故选B。

27. 细节理解题。根据Chang'e-4 is also carrying flower seeds, potatoes and silkworm eggs to see whether life is possible on the moon可知，嫦娥四号也携带着花的种子、土豆、蚕卵看观察在月球上是否有生命的可能，排除A；根据For this reason, Chang'e-4 will study the effect of solar winds on the lunar surface and any mineral found by the spacecraft可知，因此，嫦娥四号将研究太阳风对月球表面的影响和通过航天器发现矿物质，排除B和D；根据Thanks to Queqiao, the communication problem between Earth and Chang'e-4 has been well solved可知，多亏了鹊桥，地球和嫦娥四号的交流问题解决了，所以鹊桥解决的是交流问题，故选C。

28. 词义猜测题。根据The New York Times used the word "groundbreaking" to praise the task and wrote that "it will offer help to the history and development of the moon"以及On January 3, 2019, Chang'e-4 became the first lunar probe (月球探测器) in history to successfully land on the far side of the moon可知，嫦娥四号是第一个登录月球背面的探测器，所以《纽约时报》用“开创*”一词来赞扬这项任务，并写道“它将为月球的历史和发展提供帮助。故选D。

知识点：科普环保类

题型：阅读理解