it can work as a guide dog for only a short time

it can work as a guide dog for only a short time It is such a difficult problem___nobody can work out.为什么要用as而不是that It is such a hard work as we can't work out.这里用as是作work的定语从句.如果我把它理解成强调句,可不可以改成It is such a hard work that we can't work out.请高手说明理由好么……？ We Can Work It I find it d____ to work as a bank cier 9. It is such a difficult problem _______ no one can work out.A. as B. that C. so D. thAT答案怎么是A,应该B把 英语 as引导的定语从句当先行词被such 修饰时用as引导定语从句.即 such...as .那么,such .as 能改成so.as么?如这个句子It's such a difficult problem as nobody can work out.能改成 It's so difficult problem as nobody can 大学英语单选题4第46题 (2.0) 分 （）,it was finished in time.A、As the work was difficult B、Difficult as the work was C、Difficult as was the work D、As was the work difficult 第47题 (2.0) 分 “Can I help you?” “Well,I’m afr work as a It is such a difficult problem___nobody can work out. this work isn't too difficult.l can do it as ___as you Can you show me____?A.what to work it out B.whawhat to work out it C.how to work it out D.how to work out it 1.This is a very difficult math problem that the students can't ______.A.work on it B.work at C.work it out D.work2.Driving a car is not as difficult as you imagine,if you _____ the rules.A.depend on B.understand C.turn to D.stick to请问这两道 The problem is () difficult.I can't work it out.Amuch Beven Ca lot DveryThe problem is () difficult.I can't work it out.A.much B.even C.a lot D.veryI had the same idea () him but what he did was very different () what he throuht.A.from;as B.as;fo i'll work i can A.so hardly as B.so hard as C.as hardly as D.as hard as This problem is too difficult.Can you show me ____________________?A.how can I work it out B.how I can work it out C.how to work out it D.how can I work out it it looks like a TV.But it isn't a TV.It can work fast.It can help you work or study猜一猜 You can get ____ a waiter .A. a job for B. a job as C.a work of D. a work as