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On April 16, Shenzhou XIII astronauts Zhai Zhigang, Wang Yaping and Ye Guangfu safely came back to Earth from the Tiangong space station. ___（1）___ Let’s take a look!

Speedy return

The mission set a new speed record. When the Shenzhou XII came back from the space station in 2021, it took about 28 hours. This time, Shenzhou XIII cut down the number of orbits (环绕地球圈数) from 11 to five. ___（2）___

Landing upright

The re-entry capsule (返回舱) landed upright (直立). This landing position is rare in China’s space flight history. ___（3）___ To achieve this, astronauts must let go of the parachute (降落伞) with precise timing. Landing upright makes sure that astronauts have the softest landing.

Keeping seated

___（4）___ But they still needed to sit on chairs. The long space journey changed their bodies. Their muscles and bones became weaker. In the next few months, they will gradually get used to Earth’s gravity.

A．	It took just 9 hours to return!
B．	The astronauts felt good after landing.
C．	There are many interesting facts about their landing.
D．	Only Shenzhou VI and Shenzhou XIII have successfully done so.

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