皮皮学，免费搜题
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【简答题】
Please do the exercises (both Listening & Reading) of Chapter 12 in HSK 2 Workbook, which is in 梧桐师资 APP (both questions and audios). you can click on the headphone logo in the app to listen to audios. Upload your homework here before Wed .(March 4) 23:00. (You cannot upload your homework after the deadline. ) After your uploading, please access here again to check your answers out. Mark the questions you don't understand and ask the teacher during the Question Hour. Question Hour: Wed. 10:00-11:30 online Thur. 13:30-15:00 online The teacher will be online during the Question Hour, and if you have any question( both selfstudy part and workbook) , please contact teacher via Wechat group or Wechat Work (both message and online video are OK). Also, if you are all clear about the lessons, just continue to study, no need to attend the Question Hour. Sample of homework when uploading: 1-5. T F T F T (or: √ × √ × √ ) 6-10. A B C D E 11-15. A B C D E ......
拍照语音搜题，微信中搜索"皮皮学"使用
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参考解析：
知识点：
皮皮学刷刷变学霸
举一反三
【单选题】能删除下面集合中所有的字符串“b”的代码的是( ) ArrayList list = new ArrayList(); list.add("a"); list.add("b"); list.add("b"); list.add("c"); list.add("d");
A.
for(int i = 0; i < list.size(); i++) { if("b".equals(list.get(i))) { list.remove(i); } }
B.
for（String str : list）{ if(“b”.equals(str)){ list.remove(str); } }
C.
for(int i = 0; i < list.size(); i++) { if("b".equals(list.get(i))) { list.remove(i--); } }
D.
for(String s : list){ list.remove(“b”); }
【多选题】对“局部三维”功能，以下说法正确的是？ A. 可以框选和折线选择构件 B. 能够快捷键切换图层 C. 支持显示上下层构件 D. 可在局部三维下查看构件钢筋三维
A.
可以框选和折线选择构件
B.
能够快捷键切换图层
C.
支持显示上下层构件
D.
可在局部三维下查看构件钢筋三维
【简答题】医务人员在传染病区使用口罩错误的是
【单选题】知识产权，是指智力的创造性劳动取得成果后，智力劳动者对其成果依法所享有的一种权利，包括占有权、使用权、处分权和收益权。下列不属于知识产权保护范围的是（）
A.
著作权（版权）
B.
商标使用权
C.
发明权
D.
房屋所有权
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