皮皮学，免费搜题
登录
搜题
【单选题】
若a是从集合{0，1，2，3}中随机抽取的一个数，b是从集合{0，1，2}中随机抽取的一个数，则关于x的方程x 2 +2ax+b 2 =0有实根的概率是（ ）A.
5 6
B.
2 3
C.
7 12
D.
3 4
拍照语音搜题，微信中搜索"皮皮学"使用
参考答案：
参考解析：
知识点：
皮皮学刷刷变学霸
举一反三
【判断题】我国实行一级政府一级预算,共分设五级政府五级预算。各级政府都编制相对独立完整的财政收支预算,并设立相应的财政总预算会计对本级政府的财政预算收支进行相对独立完整的会计核算。
A.
正确
B.
错误
【单选题】These photographs will show you __________. [ ]
A.
what does Baoshan New Area look like
B.
what Baoshan New Area looks like
C.
how does Baoshan New Area look like
D.
how Baoshan New Area looks like
【单选题】What does the author think of the new immigrants? 查看材料
A.
They will be a dynamic workforce in the U. S..
B.
They can do just as well as their predecessors.
C.
They will be very disappointed on the new land.
D.
They may find it hard to fit into the mainstream.
【简答题】In a new situation, what does an intelt person usually try to do? To __________what to do about the situation.
【简答题】普通话以北京语音为标准音,以北方话为基础方言,以()为语法规范。
【简答题】According to the first email, what discount does Marsha get as a new customer?
【简答题】What does the man think should be sold for developing new markets?
相关题目：