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【单选题】
DR使用的探测器不包括( )A.
气体电离室探测器
B.
非晶态硒型平板探测器
C.
非晶态锗型平板探测器
D.
非晶态硅型平板探测器
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举一反三
【单选题】Why does Alice look depressed?
A.
Because she has run out of her money.
B.
Because she is spending too much money and has difficulty in how to budget well.
C.
Because she is the only person who has budget problem.
D.
Because she is living alone.
【单选题】The maths teacher asked Alice _____ yesterday. [ ]
A.
why she misses school
B.
why does she miss school
C.
why she missed school
D.
why did she miss school
【单选题】Why does Alice visit Laurent White?
A.
To give him some samples and catalogs.
B.
To express the desire to establish business relations.
C.
To follow up their quote.
【简答题】Why was Alice offended?
【单选题】Why does Alice not want to work at home?
A.
Because her home is so crowded.
B.
Because she doesn't get dedicated phone lines at home.
C.
Because there are many distractions at home.
D.
Because she always thinks about work at home.
【单选题】— Why does Alice look so tired? — It took her a whole morning to ____________ a new dress at the store.
A.
make up
B.
figure out
C.
pick up
D.
pick out
【单选题】假设货币工资调整较为缓慢,企业和工人依预期的物价水平Pe同意一项货币工资合同,并且初始状态为实际物价水平P与预期水平Pe一致,即P=Pe,产量为潜在产量水平,即y=yf。如果实际物价水平P上升,使P>Pe,则企业利润和产量( ),短期总供给曲线形状为( )
A.
均不变且产量y=yf;垂线
B.
均增加且产量y>yf;向右上方倾斜
C.
均减少且产量y
D.
均不变且产量y=yf;水平线
【简答题】摄像时如何保持单一主体的活力?
【单选题】----Why does Alice like__________? ----Because she likes to wear clean clothes every day.
A.
making the bed
B.
doing the dishes
C.
doing the laundry
D.
sweeping the floor
【单选题】The teacher asked Alice _____ yesterday. [ ]
A.
why she misses school
B.
why does she miss school
C.
why she missed school
D.
why did she miss school
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