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【单选题】
免疫功能正常的人不易得恶性肿瘤,艾滋病等免疫功能低下或缺陷的人患恶性肿瘤的概率大幅度上升,这是因为免疫系统具有以下功能
A.
免疫防御
B.
免疫调节
C.
免疫监视
D.
免疫耐受
E.
免疫自稳
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参考答案:
举一反三
【简答题】How does Tesco stretch is brand?
【单选题】—How do you learn English? — ______. [     ]
A.
I learn English for the people
B.
I don't like English
C.
I learn English by working with some students
D.
I also like English
【简答题】检查腻子是否完全干燥的方法是( )和( )
【单选题】以下程序是对输入信号X0进行( )分频。
A.
B.
C.
D.
【单选题】The teacher asked me _________.
A.
why I studied English for .
B.
what I studied English for.
C.
what I study English for
D.
what I studied English .
【单选题】以下程序是对输入信号 X0 进行 ( ) 分频。
A.
B.
C.
D.
【单选题】How does Tesco advertise in Central Europe?
A.
It offers special discount prices.
B.
It promotes certain products and stores.
C.
It concentrates on the image of the company.
【单选题】I have _____________. [     ]
A.
a English book
B.
an English book
C.
An English book
【简答题】How do RDCs contribute to Tesco?
【单选题】So difficult it to live in an Englishspeaking country that I was determined to learn English.
A.
I have felt
B.
have I felt
C.
I did feel
D.
did I feel
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