放射性核素显像的缺点是（）。
A.有创性检查
B.辐射损伤大
C.过敏反应
D.不符合生理要求
E.图像分辨率有限
参考答案：E
根据句意及所给首字母填写单词。
1. "Come in and take a s________",Mary said to Tom.
2. Is Harbin in southern China or in n________ China?
3. -Who do you think is the best p________?'
-MeiLanfang,I think.
4. There is________rain in summer in the south. So the weather is always wet.
5. It is c________to stay inside near a fire(火)on such a cold day.
咬诊主要用于检查( )
A．牙髓炎B．根尖周炎C．牙隐裂D．牙本质过敏E．牙周炎
