关于闭锁式纵联保护，下列描述正确的是（）
A.收到信号，不允许跳闸
B.收到信号，允许跳闸
C.收不到信号，不允许跳闸
D.收到信号，直接跳闸
参考答案：A
连词成句
1. and, for, that, vegetables, fruit, health, are, good, people, most, agree
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2. display, some, famous, the, are, of, photos, her, on, in, exhibition, most
3. can, lot, traveling, taxi, cost, a, by, of, money
4. people, hope, future, dream, the, they, to, achieve, things, all, in, about
5. your, are, getting, you, along, how, with, neighbor
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