【单选题】预制构件需要采用水平码放储存和运输,其中不正常的是( )。
【单选题】当某消费者的收入上升20%,其对某商品的需求量上升5%,则商品的需求收入弹性
【单选题】What's the author's purpose to write this essay?
A.
The author wanted to tell us how he is so rich.
B.
The author wanted to prove that the tangible good forune belongs to real riches.
C.
The author wanted to explain his view of life.
D.
The author wanted to show that one can live a life full of riches without being rich financially.
【单选题】三极管放大电路如图2-52所示。已知VCC=24V,RB1=51kΩ,RB2=10kΩ,RE=2kΩ,RC=3.9kΩ,RL=4.3kΩ,三极管的UBEQ=0.7V, β=100, rbb′=200Ω,各电容在工作频率上的容抗可略去。放大电路的小信号等效电路为:
【单选题】(4) 甲制药厂当月销售降糖药增值税销项税额的下列计算中,正确的是( )。
A.
(1.5×450+50×1.6)×13%=98.15(万元)
B.
(1.5×450+50×1.6)÷(1+13%)×13%=86.8584(万元)
【单选题】The author seems to Write his passage in a(n)______manner.