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【单选题】
爷爷,男性,88岁,摔倒后出现右髋部疼痛,不能站起行走。检查右髋部压痛、肿胀、剧烈疼痛、右下肢呈外旋位。下列哪项处理措施是错误的A.
立即拨打就医电话并报告
B.
观察右腿肢血运、感觉和运动情况
C.
搬运前用夹板进行固定
D.
扶拐下床活动
E.
告诉老人不要随意活动右下肢
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举一反三
【单选题】How much money does the man want to exchange?
A.
200 US dollars.
B.
250 US dollars.
C.
300 US dollars.
D.
400 US dollars.
【简答题】试解微分方程2y(y'-1)-xy' 2 =0．
【简答题】试求微分方程2y(y'-1)-xy' 2 =0的奇解．
【单选题】Conerning pair production, which of the following is true?
A.
The threshold energy for pair production is 0.51 MeV.
B.
An electron and a positron are produced.
C.
The energy of the incident photon is equal to the sum of the kinetic energies of the pair of particles.
D.
Annihilation produces 1.02 MeV photons.
E.
A pair of electrons is produced.
【单选题】The turning pair which can have a whole revolution is .
A.
frame
B.
rocker
C.
full turning pair
【单选题】更正错账时，划线更正法的适用范围是
A.
记账凭证上会计科目或记账方向错误，导致账簿记录错误
B.
记账凭证正确，在记账时发生错误，导致账簿记录错误
C.
记账凭证上会计科目或记账方向正确，所记金额大于应记金额，导致账簿记录错误
D.
记账凭证上会计科目或记账方向正确，所记金额小于应记金额，导致账簿记录错误
相关题目：
【单选题】The turning pair which can have a whole revolution is .
A.
frame
B.
rocker
C.
full turning pair
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