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【判断题】
因为集成运放内部电路是直接耦合放大电路,所以它只能放大直流信号,不能放大交流信号。A.
正确
B.
错误
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【简答题】我国是统一的多民族国家,采用( )的国家结构形式。 A复合制 B、联合制 C、单一制 D、联邦制A. 复合制 B. 联合制 C. 单一制 D. 联邦制
【单选题】听力原文：W: I wish Susie would stop reciting that poem. I've heard her repeat it hundreds of times. M: At least that much. I used to really like Whitman's poems until I had to listen to her over and over ...
A.
They are tired of hearing the poem.
B.
They are very excited to hear Whitman's poems.
C.
Susie is one of their favorite.
D.
They want to listen to Susie's recitation of the poem.
【单选题】This poem depicts the beautiful scenery of a small town in the South.
A.
describes
B.
draws
C.
writes
D.
introduces
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