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1.(2020·È«¹ú¾í¢ñ)Because the moon's body blocks direct radio communication with a probe, China first had to put a satellite in orbit above the moon in a spot where it could send signals to the spacecraft and to Earth.

2£®(2020·È«¹ú¾í¢ó)In ancient China lived an artist whose_paintings were almost lifelike.

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1.(2020·È«¹ú¾í¢ò)Thank you for your letter, what really made me happy. what→which

2£®(2020·È«¹ú¾í¢ó)Understanding her good intentions, I eat all the food what is provided by Mom with appreciation. what→that

3£®(2019·È«¹ú¾í¢ñ) One afternoon where I was in primary school, I was walking by the school playground.where→when

4£®(2018·È«¹ú¾í¢ñ)They also had a small pond which they raised fish.which→where»òwhichÇ°¼Óin

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