题目

Only about 30 percent of people in the US know how to perform CPR (心肺复苏术). Recently, a 9-year-old boy showed a Georgia woman how to perform CPR on her newborn baby. Susanna Rohm said she had experienced a parent’s worst nightmare (噩梦) — her 2-month-old son, Isiah, was not breathing. “I noticed he looked pale. I looked at his arms and his legs and they were limp (无力的),” Rohm told a local newspaper. “Then I noticed that he looked like he wasn’t alive.” In dismay, she dropped and broke her cellphone. Rohm had to run into the street, screaming for help. 12．在○里填上＞，＜或=24×5=5×24       6×206＞5×206       0+258=258×158×9＞59×8       170×5＞180×4       708×3＜780×3．