题目

由等式 得 的变形过程为（   ） A . 等式两边同时除以4 B . 等式两边同时减去6 C . 等式两边同时加上 D . 等式两边同时加上 答案：DMr Black likes to be exact(精确的) .One day he is 1    in the street, a man comes over and 2    him. "Excuse me,is there a 3    near here?" "Near here? Bookshop? You have to go across a bridge and then turn 4    . ”" And how long is the bridge?" " 5    meters(米) .”The man thanks him 6    walks to the bridge. But suddenly (突然) ，he hears someone running 7    him . "Stop,stop!" Mr Black is shouting behind. " I'm very 8    . The bridge is not thirty meters long. It's forty!If you 9    thirty meters and then turn left as I tell you,you will 10    into the water.”(   ) 1.A. sleeping   B. walking   C. singing   D. making(   ) 2.A. stops   B. stop   C. stopping   D. to stop(   ) 3.A. factory   B. hotel   C. bookshop   D. school(   ) 4.A. left   B. to left   C. right   D. to right(   ) 5.A. Thirty   B. Forty   C. Thirteen   D. Fourteen(   ) 6.A. but   B. so   C. and   D. if(   ) 7.A. after   B. before   C. in   D. on(   ) 8.A. happy   B. sorry   C. right   D. wrong(   ) 9.A. have   B. know   C. are   D. go(   ) 10.A. swim   B. fall   C. jump   D. come