我们学过的质量单位有t、kg、g,请写出相应意思:______.
t表示吨;
kg表示千克;
g表示克.
故答案为:吨、千克、克.
Thousands of athletes _______ in many countries competed ________ medals in the 2008 Olympic
Games in Beijing. [ ]
A. will involve ; in
B. involving; by
C. involved; against
D. involved; for
搭设脚手架的工作领导人应对所搭的脚手架进行()并出具()后方准使用。检修工作负责人()所使用的脚手架和脚手板的状况,如有缺陷,须立即整修。严禁随手用()及其他建筑材料搭()来代替正规脚手架。