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【单选题】
低温储存较久的血液，血浆中哪种离子浓度升高A.
H\r\n +
B.
Na\r\n +
C.
K\r\n +
D.
Cl\r\n -
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反馈参考答案：
举一反三
【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...
A.
5:00.
B.
5:30.
C.
6:00.
D.
6:30.
【单选题】男性患者,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,下面哪种表现最不可能发生
A.
疼痛
B.
发绀
C.
肿胀
D.
皮温升高
E.
脉搏减弱或消失
【单选题】设a，b为两条直线，α，β为两个平面，下列四个命题中，正确的命题是 [ ]
A.
若a，b与α所成的角相等，则α∥b
B.
若a∥α，b∥β，α∥β，则a∥b
C.
若a α，b β，α∥b，则α∥β
D.
若a⊥α，b⊥β，α⊥β，是a⊥b
【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...
A.
Clean the kitchen.
B.
Clean the bathroom.
C.
Watch a video program.
D.
Wash the dishes.
【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...
A.
At 6:40.
B.
At 6:48.
C.
At 7:00.
D.
At 7:20.
【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（ ）
A.
②③
B.
①③
C.
②④
D.
①③④
【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
A.
疼痛
B.
发绀
C.
肿胀
D.
皮温升高
E.
脉搏减弱或消失
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