第7题: [多项选择]A ZXWM M900 system provides several wavelength stabilizing methods, including (). A. 内置波长反馈方式 Built-in wavelength feedback B. 外置波长反馈方式 External wavelength feedback C. 自动功率控制反馈方式 Automatic power control feedback D. 温度控制反馈方式 Temperature control feedback 参考答案:A,B,D
第16题: [单项选择]常用99mTc-MDP骨显像的剂量是() A. 37~74MBq B. 74~185MBq C. 185~370MBq D. 555~1110MBq E. 大于1110MBq 参考答案:D 答案解析:经静脉注入99mTc-MDP555~1110MBq(15~30mCi),显像设备常使用配置低能高分辨或低能通用准直器的大视野γ照相机或SPECT。
第28题: [简答题]You had a trip last summer vacation. Write an essay of about 120 words to describe your trip and your feeling or impression on the trip. The rifle of this essay is. The Trip To .... 参考答案: 答案解析:{{B}} The Trip to America{{/B}}
Last summer vacation I made a journey to Ne