【单选题】How did the Earth's moon form? As you learned on page 176, four main theories have been proposed over the years:1. The moon is a piece of the Earth that broke off long ago.2. The Earth’s gravity captu...
【单选题】Exploring the moon is a(n) _____ to China as well as the whole world. [ ]
【多选题】建设中国特色社会主义必须坚持全心全意地依靠工人阶级的方针,因为中国工人阶级是( )
B.
近代以来我国社会发展特别是社会化大生产发展的产物
【单选题】The moon is a world that is completely still and ______ utter silence prevails.
【简答题】The moon is a very silent world, for sound waves can only travel through the air.
【多选题】建设中国特色社会主义必须坚持全心全意地依靠工人阶级的方针,因为中国工人阶级是
B.
近代以来我国社会发展特别是社会化大生产发展的产物
【多选题】关于社会历史发展的动力问题,下列说法正确的有( )
【单选题】China’s moon rover(月球车), Yutu’s in landing on the moon is a big event in space history.
【多选题】关于社会历史发展的动力问题,下列说法正确的有( )
【简答题】空间中直线与直 线的位置关系有 、 、 。