问题
选择题
___________ made the school proud was ___________ more than 90% of the students had
been admitted to universities.
A．What; because
B．What; that
C．That; what
D．That; because
答案
答案：B
这题考查名词性从句的用法：第一空考查what引导主语从句，what在从句中做主语，第二空考查that引导的表语从句，因为表语从句，因为从句是完整的。选B。
N2O4(g) ，平衡后，向容器内再充入1molNO2，下列说法正确的