图中警察手势为减速慢行信号。
参考答案:错
---You’d better not eat too much salt. It's bad for your health.
---- _______________.
A.Not at all.
B.You’re welcome.
C.It doesn’t matter
D.Thanks for your advice
照查继电器是为锁闭()用的,对应每一()各设一个。