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【简答题】
He was about halfway through his meal a familiar voice came to his ears. A.why B.where C.when D.while
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举一反三
【单选题】Body movements are necessary in order for the listener to ______.
A.
hear the music
B.
appreciate the music
C.
enjoy the music fully
D.
completely understand the music
【单选题】What means of communication is used by most people?
A.
Facial expressions.
B.
Body movements.
C.
Speech.
D.
Body movements and speech.
【单选题】Tom and David are both my good friends. David seems very serious, _____ Tom has a good sense of humor. [ ]
A.
when
B.
where
C.
which
D.
while
【单选题】电路如下 图 所示,已知 U 1 =1 V , U 2 = - 1 V , U 3 =2 V , U 4 = - 2 V ,则 U 5 = ( )。
A.
- 2V
B.
2V
C.
0V
D.
- 3 Ｖ
【单选题】Body movements are necessary in order for the listeners to______.
A.
understand the music completely
B.
enjoy the music fully
C.
appreciate the music
D.
hear the music
【单选题】某学者曾提及:一群志趣相投者“生育于此种‘学问饥荒’之环境中,冥思枯索,欲构成一种‘不中不西即中即西’之新学派”;由于固有之旧思想根深蒂固,所汲取的西学极为有限,其学说难免支离破碎。文中所说“新学派”的代表人物是( )
A.
林则徐、魏源
B.
康有为、梁启超
C.
孙中山、章太炎
D.
陈独秀、胡适
【简答题】热线式空气流量传感器由 、 、精密电阻、集成电路控制板、防护网、取样管和电插接器等组成。
【简答题】由理想运放组成的电路如下图所示，已知输出电压u o 与三个输入电压u 1 ，u 2 和u 3 的关系满足u o =au 1 +7u 2 +bu 3 ，试求系数a，b和R F 的阻值。
【简答题】板 选用强化钢丝焊接而成的三维笼为构架,阻燃 芯材,或岩棉板组成,是轻质墙体材料;
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