fàn làn
shuāi jiāo
fēi xiáng
jì mò
mi shi
chà yì
____
“中华开国五千年,神州轩辕自古传。创造指南车,平定蚩尤乱。世界文明,唯有我先。”阅读材料回答:
— Cloning can lead to many complicated problems.
— __________. That's why a lot of people are strongly against it.
受凉感冒时,感到呼吸困难的主要原因是( )