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问题 选择题

属于太阳活动对地球影响的叙述是[ ]

A、有线电话突然中断

B、气温异常升高

C、指南针剧烈颤动，不能正确指示方向

D、流星现象的出现

答案

答案：C

多项选择题

浆细胞特异性抗原有()

A．CD8

B．CD138

C．PC-1

D．CD4

E．PCA-1
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单项选择题

The mother of a child with flat feet asks the nurse why her child needs to wear corrective shoes. Which of the following is the most appropriate reason that the child needs to wear corrective shoes

A．Preventing the development of internal tibial torsion.

B．Strengthening the arches of the feet.

C．Keeping the legs in proper alignment.

D．Delaying the development of femoral anteversion.
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