many chinese students think science subject are____foreign langua_英语解答

many chinese students think science subject are____foreign language.
为什么不能写so difficult as

人气：288 ℃　时间：2019-10-03 08:43:19

解答

as …… as句型和什么一样
as difficult as和……一样难
很多中国学生都认为理科科目跟外语一样难
so difficult as是太难了,以至于的意思.与语境不符.