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【单选题】
X线照片影像的形成阶段是A.
X线透过被照体之后
B.
X线透过被照体照射到屏/片体系之后
C.
X线光学密度影像经看片灯光线照射之后
D.
X线→被照体→屏/片体系→显影加工之后
E.
X线影像在视网膜形成视觉影像之后
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反馈参考答案：
举一反三
【单选题】I. Listen to five short conversations and choose the best answer to each question you hear. 1.
A.
In a bar
B.
At home
C.
In the office
D.
At a cinema
【单选题】I. Listen to five questions. Choose a proper response for each question you hear. Each question will be spoken only once.
A.
I lived in Australia for a year and I just picked it
B.
I love America and I’d like to live there.
C.
Canada is a great place for studying.
【单选题】A派生出子类B,B派生出子类C, 1 . A a0 = new A() 2. A a1 = new B() 3. A a2= new C() 下列说法z正确的是()
A.
只有1能通过编译
B.
1，2能通过编译，3 不能通过编译
C.
1，2，3都能通过编译，但2，3 会运行错误
D.
1，2，3的声明都是正确的
【简答题】I. Short Dialogue Directions. You will hear five short dialogues. Listen to each of them and choose the best answer to it.
【单选题】Listen to five questions and choose the appropriate answers.
A.
What do you suggest?
B.
Can you tell how?
C.
Sorry about that!
D.
Hmm… so do I.
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