问题
选择题
．I’m not sure exactly how much money you’ll receive, but it will __________ cover your major expenses.
A．firmly
B．roughly
C．relatively
D．urgently
答案
答案：B
搜题请搜索小程序“爱下问搜题”
．I’m not sure exactly how much money you’ll receive, but it will __________ cover your major expenses.
A．firmly
B．roughly
C．relatively
D．urgently
答案：B
完全发生核反应时放出的能量为（NA为阿伏伽德罗常数）[ ]