At least not the same as the high school collection.
Generally speaking, the third grade curriculum is perceptual knowledge, and this principle should not be changed. Now it should be clear to look at the actual third grade textbooks, and analyze the specific problems.
Shenzhou-10 spacecraft will be launched at Jiuquan Satellite Launch Center from June to August this year. Three astronauts will rendezvous and dock with the Tia