(In an English class)
Mr Wu: Boys and girls, yesterday I asked you to collect some information about China’s Tianwen 1 probe. Let’s see what you’ve
_______.
Li Ping: I downloaded something. May I use the PPT, Mr Wu?
Mr Wu: Sure.
_______.
Li Ping: Look at this picture. On May 15, China’s Tianwen 1 probe made a historic landing on Mars! Following the US, China is now the
_______ country in the world to
_______ land a probe on Mars. It will give Chinese
_______ their first chance to study the Red Planet closely.
Gu Yue:
_______ was Tianwen 1 probe sent?
Li Ping: In July 2020. The probe entered Mars orbit(轨道)in February 2021. Experts said the
_______ of sending the probe into orbit was equal to hitting a small ball from Paris and landing it in a hole in Tokyo. And the final
_______ was even more difficult.
He Mei: I hear it’s
_______ called the “nine minutes of terror”.
Li Ping: Yes. In nine minutes, the probe had to reduce its
________ from 20,000 km per hour to zero, landing from 125 km above Mars.
________ the probe is 320 million km away from Earth, there is a signal delay(延迟)of over 10 minutes if the research team tries to control it from Earth. So the probe had to
________ the landing on its own!
Gu Yue: That’s amazing!
Li Ping: Indeed. When the probe finally slowed down at 100 meters above Mars. It stayed in the air and
________ the landing area. It had to move away from the objects in its way such as rocks,
________ finally touching down.
Mr Wu: Well done, Li Ping! Thank you for showing our
________ Tianwen 1 probe. Let’s see who has something else to share…
1.A.realized | B.found | C.understood | D.met |
2.A.Better not | B.Not at all | C.Go ahead | D.With pleasure |
3.A.first | B.second | C.third | D.fourth |
4.A.successfully | B.carefully | C.specially | D.peacefully |
5.A.inventors | B.fighter | C.passengers | D.scientists |
6.7.A.possibility | B.gravity | C.difficulty | D.safety |
8.A.kicking | B.hitting | C.sending | D.landing |
9.A.still | B.instead | C.ever | D.also |
10.A.speed | B.height | C.weight | D.length |
11.A.Though | B.Until | C.Unless | D.As |
12.A.put out | B.carry out | C.run out | D.look out |
13.A.checked | B.covered | C.protected | D.avoided |
14.A.while | B.once | C.before | D.after |
15.A.lucky | B.comfortable | C.fantastic | D.energetic |