下列关于妊娠期肝炎的描述正确的是()
A.对胎儿无影响
B.以妊娠早、中期最为严重
C.产后大出血多见
D.消化道症状较明显
E.一般不发展为重肝
参考答案:C, D
–What do you _________ the Korean TV series My Love From Another Star?
–Pretty good. It is popular with many people.
A. care for B. hear about C. think of
()是指在装配时各配合零件不用修配、选择或调整即可达到装配精度。
A.完全互换装配法
B.直接选配法
C.分组选配法
D.互换装配法