皮皮学，免费搜题
登录
搜题
【简答题】
复数 z ＝cos75 o ＋isin75 o (i是虚数单位)，则在复平面内z 2 对应的点位于第 __ _ 象限。
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
【单选题】关于软件缺陷,下列说法中错误的是
A.
软件缺陷是软件中（包括程序和文档）存在的影响软件正常运行的问题。
B.
按照缺陷的优先级不同可以将缺陷划分为立即解决、高优先级、正常排队、低优先级。
C.
缺陷报告有统一的模板，该模板是IEEE 729-1983制定的。
D.
每个缺陷都有一个唯一的编号，这是缺陷的标识。
【单选题】— He ought to have been warned of the danger. — ______, but he just wouldn’t listen to me.
A.
So ought he
B.
So he was
C.
So was he
D.
So he had
【简答题】－－－ Ought he to get down to his work at once? －－－ Yes, he _____.ought B. ought to C. must D. sh238. --- Ought he to get down to his work at once? --- Yes, he _____. ought B. ...
【单选题】He ought to attend the meeting,____?
A.
should he
B.
ought he
C.
shouldn’t he
D.
oughtn’t he
【简答题】(满分10分)某摩托车制造厂引进一条流水线,这条流水线生产的摩托车数量 (辆)与产生的利润 (元)满足关系式 .若这家工厂希望每天用这条流水线创造不低于8000元的利润,那么该流水线每天至少需要生产多少辆摩托车?
【单选题】He ought to attend the meeting, ?
A.
should he
B.
ought he
C.
shouldn't he
D.
couldn't he
相关题目：