1） try （2） _try1231 （3） $Try_* （4） 4_try （5） #_try （6） $try_1_for 2. 以下哪些变量的声明是合法的：

Try——ColbieCaillat Putyourmakeupon Getyournailsdone 1yourhair Runtheextramile Keepit2sotheylikeyou, dotheylikeyou? Getyoursexyon 3,girl Takeitoff Thisiswhatyouwant,tobelong, sotheylikeyou Doyoulikeyou? Youdon'thavetotrysohard Youdon'thaveto,giveitallaway Youjusthavetogetup,getup,getup,getup Youdon'thavetochange4 Youdon'thavetotry,try,try,try Youdon'thavetotry,try,try,try Youdon'thavetotry,try,try,try Youdon'thavetotry Youdon'thavetotry Getyourshoppingon, atthemall, maxyour5 Youdon'thavetochoose,buyitall,sotheylikeyou Dotheylikeyou? Waitasecond, Why,shouldyoucare,whattheythinkofyou Whenyou'reallalone,byyourself,doyoulikeyou? Doyoulikeyou? Youdon'thavetotrysohard Youdon'thaveto,giveitallaway Youjusthavetogetup,getup,getup,getup Youdon'thavetochangeasinglething Youdon'thavetotrysohard Youdon'thavetobenduntilyoubreak Youjusthavetogetup,getup,getup,getup Youdon'thavetochangeasinglething Youdon'thavetotry,try,try,try Youdon'thavetotry,try,try,try Youdon'thavetotry,try,try,try Youdon'thavetotry Youdon'thavetotry,try,try,try Youdon'thavetotry,try,try,try Youdon'thavetotry,try,try,try Youdon'thavetotry， Youdon'thavetotry Youdon'thavetotrysohard Youdon'thaveto,giveitallaway Youjusthavetogetup,getup,getup,getup Youdon'thavetochangeasinglething Youdon'thavetotry,try,try,try Youdon'thavetotry,try,try,try Youdon'thavetotry Youdon'thavetotry Takeyourmakeupoff letyourhairdown 6 Lookintothe7,atyourself Don'tyoulikeyou? CauseIlikeyou

Many people _________ lose weight and never __________. A: manage to; try to B: try to; manage to C: try to; try doing D: try to do; manage

We are going to _____________ the new machine. A: try B: try on C: try out D: try our best

We should _____ all the equipment before setting up the experiment. A: try for B: try out C: try on D: try into

4 . — Morning, boys and girls! Please try your best in today’s exam! Good luck to all of you!— ________

4) We should try to recognize the ___________________ between people of different nationalities, at the same time, knowing the differences between them.

以下的try~catch语句,哪种是不正确的? A: try{}catch(){}finally{} B: try{}catch(){}catch(){}finally{} C: try{}catch(){} D: try{}finally{}

I don' t know whether he ______. A: dares try B: dare try C: fear try D: fears try

What a beautiful skirt! Can I ______. A: try on it B: try it on C: try them on