漂浮在“死海”水面上静止不动的人，所受浮力大小______他所受重力大小．（选填
题型：填空题
问题：
漂浮在“死海”水面上静止不动的人，所受浮力大小______他所受重力大小．（选填“等于”、“大于”或“小于”）
题型：填空题
阅读下面短文，把A—D四个句子填入文中空缺处，使短文内容完整、正确、然后完成最后小题。
3Dprinters have been around us for some time. There is a lot you can do and image with a 3D printer. ____小题1:____
A company in China has recently used 3D printers to make ten full-sized housed in just 24 hours. ____小题2:____. These houses are printed wth special “ink ”that has been made from industrial construction waste. The using of cheap materials makes it possible to print each house under ＄500小题3:The CEO of the company says , “____小题4:____ ”He plans to set up 100 recycling factories across China and changing waste into cost-effective “ink ”for 3D printers. ____小题5:____However ,at present ,multi-storeys 3D-printed building are not allowed in China. So,it’s important that the 3D printing technology will be widely used to build any time soon. Maybe there be still a long way to go.
小题6:According to the passage ,which of the following is TURE?
A．Each of the printed housed costs at least 5000dollars .
B．There’s no limit in China to print tall building with 3Dprinters .
C．The 10full-sized houses are printed out of recycled materials.
D．3D printers will soon caome into commom use to build houses .