问题
单项选择题
异位妊娠时，受精卵最易着床的部位是
A．宫颈
B．卵巢
C．输卵管
D．腹腔
E．阔韧带
答案
参考答案：C
搜题请搜索小程序“爱下问搜题”
异位妊娠时，受精卵最易着床的部位是
A．宫颈
B．卵巢
C．输卵管
D．腹腔
E．阔韧带
参考答案：C
There is no doubt that the friends can improve our lives, kind of friend someone has. There are some good reasons why real are important. Real fiends can be a source(资源) of _ .When you are in trouble， for example， true friends will hope. Real fiends may help a friend to be as a student president，and the president of a country. Some of us will remember that school，work and life are better and more fun when with fiends. And there are other reasons why real friends are . You can quickly real and good fiends when you are down or when you need their help the most. Why? Because a real fiend will not you when you are down，and will not turn against you in jealousy(妒忌)，for example，when you succeed.
|