【单选题】在一个家庭中观察到患同一遗传病的患者,其受累器官存在差异且病情严重程度不同,称为
【单选题】The part of the sentence: his ability to provide competent daytime services 'was compromised' may mean______.
A.
his being unable to provide competent daytime services
B.
his ability to provide competent daytime services was discredited
C.
his qualification as a doctor was suspected
D.
his NHS practice is no more than a cheat to the patients
【判断题】三线精神在三线建设的过程中逐渐产生、形成,并在三线建设调整后得到延拓,是推动三线建设向前发展的精神动力,并在西部大开发中与时俱进。
【单选题】在单相桥式整流电路中,为要在负载电阻R.上获得UO(AV)≈9V的输出电压平均值,应设计变压器副边电压有效值U2约为( )。
【单选题】Why did the bird never sing in the daytime? ( )
A.
Because she could only sing in the evening.
B.
Because there was nobody to listen to her.
C.
Because she was caught while singing in the daytime.
【单选题】在一个家庭中观察到患同一遗传病的患者 , 其受累器官存在差异且病情严重程度不同 , 称为
【单选题】2016 年 1 月 6 日朝鲜宣布进行了第四次核试验,朝鲜称是