【单选题】– What do you want to be when you grow up? – ________ engineer like my father.
【单选题】–What do you want to be in the future, Nick? – I want to be ______ pilot. It is ______ exciting job.
【单选题】患者,男,72岁,诊断"慢性支气管炎,阻塞性肺气肿",现无发热,但痰多,难咳出。对此患者进行排痰训练,说法不正确的是()
A.
体位引流主要利用重力促进各个肺段内积聚的分泌物排出
C.
体位引流目的是使病变部位的肺段向主支气管垂直引流
D.
胸部叩击时治疗者手指并拢,掌心成杯状,运用腕动力量在引流部位胸壁上双手轮流叩击拍打30~45s
【单选题】下面正确的说法为( )。
A.
在N型半导体内掺入足够的三价元素,可以将其改型为P型半导体
B.
由于PN结交界面处有电位差,所以当把PN结两端短路时,就有电流流过
C.
PN结的伏安特性方程可以描述死区、正向导通区、反向截止区和反向击穿区的特性
D.
因为P型半导体的多子是空穴,少子是自由电子,因此P型半导体带正电
【单选题】某女,28岁,孕3产0,妊娠34周。第一胎人工流产,第二胎为脊柱裂畸形于妊娠24周时引产。此次妊娠早期无异常情况。妊娠32周时B超检查提示:羊水偏多,胎儿大于妊娠月份,未见明显畸形。孕妇体型肥胖,有多饮、多尿、多食史。
首选何种治疗方法( )
【简答题】阅读理解 A new book claims to have definitive evidence of a long-suspected technological crime-that Alexander Graham Bell stole ideas for the telephone from a competitor, Elisha Gray. In The Telephone Gam...
【简答题】–What do you want to know? –I wonder how much _______.A. you
did for your parents B. did you do for your parents