皮皮学,免费搜题
登录
搜题
【多选题】
以下为4个因果信号的拉氏变换,其中存在傅立叶变换的是
A.
1
B.
sin(2t)
C.
D.
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】How does the man feel about the woman's decision?
A.
Patient.
B.
Worried.
C.
Irritated.
D.
Gloomy.
【单选题】下面( )不属于网站推广的4个阶段。
A.
网站策划与建设期
B.
网站发布初期(初发期
C.
网站增长期
D.
网站衰退期
【单选题】下面( )不属于网站推广的4个阶段
A.
网站策划与建设期
B.
网站增长期
C.
网站发布初期
D.
网站衰退期
【单选题】The government must be very ______ about setting a policy, making no decision until they are quite sure it is the right one.
A.
particular
B.
concerned
C.
cautious
D.
certain
【单选题】建库前,地下水分水岭低于库水位甚多,建库蓄水后,库水 ( )
A.
不会渗漏
B.
可能会渗漏
C.
肯定会渗漏
D.
暂时会渗漏
【单选题】WWW服务器是在Internet上使用最为广泛,它采用的是 ()结构。
A.
服务器/工作站
B.
b/s
C.
集中式
D.
分布式
【单选题】WWW服务器是在Internet上使用最为广泛,它采用的是()结构。
A.
服务器/工作站
B.
B/S
C.
集中式
D.
分布式
【单选题】—What's your uncle's opinion about your decision? —He always encourages me to do   ________  I think I should.
A.
what
B.
when
C.
how
D.
that
【单选题】The girl was so ______ at her father’s decision about her marriage that she had a bitter quarrel with him.
A.
disappointing
B.
disappointed
C.
delighted
D.
exciting
【单选题】The government must be very _____ about setting policies and make no decision until they are quite sure it is the right one.
A.
particular
B.
concerned
C.
cautious
D.
certain
相关题目: