问题
单项选择题 A1/A2型题
下列哪一检查组合可大大提高早期胃癌的检出率和诊断准确率（）
A.CT＋胃镜
B.X线钡剂造影＋胃镜
C.经腹超声＋胃镜
D.MRI＋胃镜
E.PET＋胃镜
答案
参考答案：B
解析：胃癌的诊断主要依据内镜检查加活检以及X线钡剂。
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下列哪一检查组合可大大提高早期胃癌的检出率和诊断准确率（）
A.CT＋胃镜
B.X线钡剂造影＋胃镜
C.经腹超声＋胃镜
D.MRI＋胃镜
E.PET＋胃镜
参考答案：B
解析：胃癌的诊断主要依据内镜检查加活检以及X线钡剂。
Nowadays, more and more villagers have left to make a living in big cities. As a result, their children have become leftover children and they need more care. The survey below is from villages in Yongzhou, Hunan Province. Three hundred children were chosen to answer the questions.
Of all the five needs, the leftover children need _______ most.
Which of the following is TRUE according to the passage?
How many children think their happiest place is their school?
We can learn from the survey that _______.
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