【简答题】B A Patient Hopes Gene-Editing Can Help With Pain Of Sickle Cell Disease Victoria Gray slides open a closet door, pulls out a suitcase and starts packing piles of clothes. "My goodness," says Gray. "D...
【简答题】阅读理解 New coins are coming out all the time. And did you know that the United States Mint makes some coins to collect rather than spend? One collecting kind is called 'commemorative'-coins that honor f...
【简答题】Did all states have industrial employer liability laws in the nineth century? Of what did those laws consist? What were the principal objections to them? Were such laws effective?
【简答题】Part Four Listen for more detail As you listen, write T for true or F for false for each item. 1. The difference in work habits between the United States and Europe is getting smaller. 2. Americans i...