皮皮学，免费搜题
登录
搜题
【单选题】
在编辑时,文字下面出现的绿色波浪下划线表示( ).A.
可能有语法错误
B.
可能有拼写错误
C.
自动对所输入文字的修饰
D.
对输入的确认
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】系统的幅频特性|H(ω)|和相频特性如图(a)(b)所示,则下列信号通过该系统时,不产生失真的是 ( )。
A.
f(t) = cos(t) + cos(8t)
B.
f(t) = sin(2t) + sin(4t)
C.
f(t) = sin(2t) sin(4t)
D.
f(t) = ［cos(4t)］^2
【简答题】现实冲击疗法最主要的特点是( )。 (A)让求助者置身于想象环境之中 (B)让求助者暴露在实际的恐惧刺激中 (c)允许求助者用不适应的行为应对 (D)求助者可以采取缓解焦虑的行为
【单选题】—Was the driving pleasant when you vacationed in Canada last summer? —No, it______for many days when we arrived, so the roads were very muddy.
A.
was raining
B.
would be raining
C.
had been raining
D.
rained
【单选题】—Was the driving pleasant when you vacationed in Mexico last summer? —No, it______for four days when we arrived, so the roads were very muddy.
A.
was raining
B.
rained
C.
had been raining
D.
have rained
【单选题】— Was the driving pleasant when you went to Mexico last summer? — No, it ＿＿ for four days when we arrived, so the roads were very muddy.
A.
was raining
B.
had been raining
C.
would be raining
D.
rained
【单选题】-- Was the driving pleasant when you vacationed in country last summer?-- No, it ______ for four days when we arrived, so the roads were very dirty.
A.
was raining
B.
would be raining
C.
had been raining
D.
have rained
相关题目：