1．梅毒分为先天性梅毒和后天性梅毒，前者从母体通过者通过____传给胎儿，后者通过____传染。
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7．Ⅰ期梅毒的临床表现错误的是()
A. 不洁性交
B. 硬下疳
C. 梅毒血清学阴性
D. 心血管梅毒
E. 外阴表面溃疡，有浆液性渗出
Which of the following is not true of Easter?
A. It is a time for families to get together.
B. It is a time for family members to have a large meal.
C. It is a time when manufacturers of candy and chocolate can sell their products.
D. It is not a religious holiday.
Which of the following is not one of the symbols of Easter?
A. Chicks.
B. Horses.
C. Flowers.
D. Eggs.
Easter is celebrated as the religious holiday commemorating ________.
A. the resurrection of Jesus Christ
B. Jesus’ entry into Jerusalem
C. the birth of Jesus Christ
D. the death of Jesus Christ
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