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【单选题】
在Word 文档的每一页都需要出现同一学校的徽标,学校徽标放到A.
图形中
B.
文本框中
C.
图文框中
D.
页眉／页脚中
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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】电子档案信息可以不受时间和空间限制通过网络传播的属性是（ ）。 A、共享性 B公开性 C、公众性 D、空间性
【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) = cos2(4t)
【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
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