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单词拼写(用一到三单元生词的合适形式填空,答案写在答题卷上)(10%) 小题1:I wonder if it’s because I haven’t been able to be o for so long that I’ve grown crazy about everything to do with nature. 小题2:I am only able to look at nature through dirty c hanging before very dusty windows. 小题3:The dark, rainy evening, the wind, the t clouds held me entirely in their power; it was the first time in a year and a half that I’d seen the night face to face… 小题4:She is very (可靠的)and I knew I didn’t need to encourage her. 小题5:She gave me a (坚定的)look----the kind that she would not change her mind. 小题6: Then (逐渐地) between about AD 800 and 1150 English became less like German. 小题7:The latter gave a separate (身份、特色)to American English spelling. 小题8: India has a very large number of (流利的) English speakers. 小题9:After g from college, we finally got the chance to take a bike trip. 小题10:Although she didn’t know the best way of getting to the place, she insisted that she o the trip properly.
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【单选题】The bag is too ______. I can't lift (举起) it. [     ]
A.
light
B.
small
C.
heavy
【简答题】请问《小星星》的调式是什么?
【单选题】That bag is too ________, who can help me carry it?
A.
long
B.
interesting
C.
heavy
D.
light
【单选题】放大电路如图所示,已知三极管β=50,VCC=12V,RB1=30KΩ,RB2=10KΩ,RC=2 KΩ,RL=2KΩ,设rbe=1 KΩ,则放大电路的性能指标Au、ri和ro值约为
A.
50、1.88 KΩ、2KΩ
B.
50、1.88 KΩ、1KΩ
C.
-50、0.88 KΩ、2KΩ
D.
-50、0.88 KΩ、1KΩ
【单选题】某放大电路如图所示,已知三极管电流放大系数β=50,UBE=0.6V,静态时 UCE等于( )。
A.
9.2V
B.
7.6V
C.
6.8V
D.
8.3V
【多选题】市场营销学的研究方法较多种多样,主要有: ( )
A.
哲学研究方法
B.
经济学和统计学研究法
C.
管理学研究方法
D.
社会学方法
【简答题】某放大电路如图所示,已知三极管电流放大系数β=50,UBE=0.6V,静态时UCE等于 ( )V。
【判断题】在上下板列的厚度差距明显的大型船舶上,舱壁板一般都采取水平布置。
A.
正确
B.
错误
【单选题】放大电路如图所示,已知三极管β=50,VCC=12V,RB1=30KΩ,RB2=10KΩ,RC=2 KΩ,设rbe=1 KΩ,则放大电路的性能指标Au、ri和ro值约为
A.
50、0.88 KΩ、12KΩ
B.
100、1.88 KΩ、1KΩ
C.
-50、1.88 KΩ、2KΩ
D.
-100、0.88 KΩ、2KΩ
【单选题】某放大电路如图7—53所示,已知三极管电流放大系数β=50,UBE=0.6V,静态时UCE等于( )V。
A.
10.2
B.
7.6
C.
6.8
D.
8.3
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