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【单选题】
针对社区康复项目涉及的主题、现象、反应、经验或问题等收集事实资料,取得正确的结论或达成共识的过程常采用哪一种评估方法?A.
个案访谈与焦点讨论法
B.
实地调查与观察法
C.
问卷法
D.
资料调查法
E.
入户调查法
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【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】Was the driving pleasant when you went to Mexico last summer?A. , it ____ for four days when we arrived, so the roads were very muddy. B. was raining B. had been raining C. would be raining D. rai...
【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 vocationed in Mexico last summer? ----No, it ___ for four days when we arrived, so that the roads were very muddy.
A.
was raining
B.
had been raining
C.
would be raining
D.
have 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
【单选题】—Was the driving pleasant when you vacationed in Mexico (墨西哥) last summer? —No, it______ for four days when we arrived so that the roads were very muddy.
A.
was raining
B.
had been raining
C.
would be raining
D.
have rained
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