已知反应10AgF+5Cl2+5H2O=9AgCl+AgClO3+10HF+O2,则有1molO2生成时反应所转移的电子总数为(NA表示阿伏加德罗常数的值) ( )
George _________ too far.His coffee is still warm.( )
must have gone
might have gone
can't have gone
needn't have gone
In this article,you need to back up general statements with ________ examples.( )
specific
permanent
abstract
universal
Had the governments and scientists not worked together,AIDS﹣related deaths _______ since their highest in 2005.( )
had not fallen
would not fall
did not fall
would not have fallen
When the time came to make the final decision for a course,I decided to apply for the one that ______my interest.( )
limited
reserved
reflected
spoiled
A sudden stop can be a very frightening experience,______ if you are travelling at high speed.( )
eventually
strangely
merely
especially