饮用水中NO3-含量过高,能使婴儿患()症。
1. class A implements runable ( 2. int i; 3. public void run () ( 4. try ( 5. thread.sleep(5000); 6. i= 10; 7. ) catch(InterruptedException e) {} 8. ) 9. ) 10. 11. public class Test { 12. public static void main (string args) ( 13. try ( 14. A a = new A (); 15. Thread t = new Thread (a); 16. t.start(); 17. 18. int j= a.i; 19. 20. ) catch (Exception e) {} 21. ) 22. ) Which statement al line 17 will ensure that j=10 at line 19?() [" a.wait();"," t.wait();"," t.join();"," t.yield();"," t.notify();"," a.notify();"," t.interrupt();"]
植物细胞结构由外向里依次是() ["细胞壁、细胞膜、细胞质、细胞核","细胞壁、细胞膜、细胞核、细胞质","细胞壁、细胞核、细胞膜、细胞质","细胞壁、细胞质、细胞膜、细胞核"]
外汇“期权宝”业务有何特点?
如何测外线混线、接地?() ["断开局内设备,拔掉保安单元","将表放平、调零,红表笔插入“+”插孔,黑表笔插入“-”插孔","选择档位为“Ω”档,选择量程为R×1K档,进行校表","扳外线1和接表和环阻键,此时表针若偏转,将环阻键复原,扳动转换键,若表针偏转,说明外线混线和接地"]
简述人际交往沟通方法和艺术?