问题
单项选择题
对网型网规划网络保护推荐使用（）。
A.单向通道保护
B.SNCP保护
C.双向复用段保护
D.单向复用段保护
答案
参考答案：B
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对网型网规划网络保护推荐使用（）。
A.单向通道保护
B.SNCP保护
C.双向复用段保护
D.单向复用段保护
参考答案：B
| 从下面方框中选择适当的选项填人短文中，使短文通顺、完整。选项中有两个选项是多余选项。 | |
| |
| Anna really wanted to do something significant (有意义的) for her school before she left school. But she couldn't __1___ of anything meaningful that would influence the lives of her schoolmates. One day, Anna saw a girl __2___ by the school pond (池塘) crying. Anna went up to __3___ and said, "Are you okay? Is there __4___ I can do to help you?" Anna found out that the girl was in her first year and was having trouble __5___ her schoolwork. Then, Anna had an __6___. She would start a tutoring group where. they could help the students who were __7___ in their subjects. Before long, many students volunteered to __8___ Anna's tutoring group. Soon, Anna also started other support groups like "I'm not Alone" ___9__ provided counseling (咨询) for students whose parents divorced (离婚). Anna was __10__ that she could help others. |