【单选题】Section A Directions: In this section you will hear 10 short conversations. At the end of each conversation, a question will be asked about what was said. The conversation and the question will be spo...
【单选题】Most banks have a section()you set up payees.
【单选题】Section A Directions: In this section you will hear 10 short conversations. At the end of each conversation, a question will be asked about what was said. The conversation and the question will be spo...
【单选题】设a、b是两条不同的直线, 、β是两个不同的平面,则下列四个命题: ①若a⊥b,a⊥ ,b ,则b∥ ; ②若a∥ ,a⊥ ,则 ⊥ ; ③若a⊥ , ⊥ ,则a∥ 或a ; ④若a⊥b,a⊥ ,b⊥ ,则 ⊥ 其中正确命题的个数为
【单选题】设α表示平面,a、b表示两条不同的直线,给定下列四个命题: ①若a ∥ α,a⊥b,则b⊥α; ②若a ∥ b,a⊥α,则b⊥α; ③若a⊥α,a⊥b,则b ∥ α; ④若a⊥α,b⊥α,则a ∥ b. 其中为假命题的是( )
【单选题】患者,男性,35岁。因肱骨干骨折入院,伤后局部组织肿胀明显。手法复位后行石膏固定。术后护士应注意观察肢端血运。若有血运障碍,下面表现最不可能发生的是