你可能感兴趣的试题

单项选择题

The most common site of ectopic pregnancy is
A、isthmus of fallopian tube
B、cervix
C、Fallopian tube umbrella
D、ampulla of fallopian tube
E、ovary

判断题

工厂化育苗出苗整齐，苗龄短，生长健壮，病虫害少。（    ）对 错