阅读下面的短文，判断下列句子是否与短文内容相符，符合的写（A），不符合的写（B）。

Beidou is China's first global navigation satellite system （全球卫星导航系统）. More than 120 countries and regions are using the Beidou system.

It started its full﹣scale （全面的） work on July 31，2020. With as many as 59 satellites，Beidou has "bright eyes". These satellites fly around the earth. They can "see" rivers，forests and mountains. They can "see" houses and schools on the earth. Of course，they can "see" you，too! From space，they can tell where you are on the ground，with a difference of no more than 10 meters.

Beidou can help people find the way，even when it's on the dark sea. It can look for mines （矿产） in deep mountains. It can give orders to driverless cars. Last summer，when Chinese people fought the flood （洪水） in the South，Beidou helped measure （测量） the rise and fall of the flood water.

What's more，when people are in danger and there is no mobile phone signal （信号） ，they can use Beidou to send a 1，200﹣word message to ask for help.

All in all，Beidou is there to keep us safe and make our life convenient.

（1）Beidou's satellites fly around the moon. 　    　

（2）Everything can be seen by Beidou except you. 　    　

（3）People can find the way with the help of Beidou. 　    　

（4）Beidou can't look for mines but can help people fight floods. 　    　

（5）If your mobile phone has no signal，you can use Beidou to ask for help. 　    　

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