用所给词的正确形式填空。carry, show, tell, talk, loo
题型：填空题
问题：
| 用所给词的正确形式填空。 | |
2. The teacher ____________ us something about our school. 3. Lucy often ____________ to Jim on the phone. 4. The dog ____________ a piece of meat in its mouth. 5. Xiao Hua ____________ like his mother very much. |
的收敛半径为R≠0，则
．
不存在，则幂级数
没有收敛半径．
的收敛域为[-R，R]，则幂级数
的收敛域为[-R，R]．
的收敛域为(-R，R)，则
的收敛域可能是[-R，R]．