Directions:This section consists of three groups of pairs listed in two columns, A and B. You are to match the one marked 1), 2), 3), 4) or 5) in Column A with the one marked a, b, c, d or e in Column B. One point is given to each pair you match.
1) ______ Verbal Behavior
2) ______ Communicative English for Chinese learners
3) ______ The Scientific Study and Teaching of English (1917)
4) ______ Communicate (1979)
5) ______ Notional Syllabuses (1976)
a) Palmer
b) Skinner
e) Li Xiaoju
d) Morrow and Johnson
e) Wilkins

起重机应装设通道口（），用于当通道口打开时，断开总电源。

A、过流保护

B、失压保护

C、零位保护

D、偏斜指示器或偏斜调整装置

E、连锁开关

F、过流保护

G、超速保护

H、短路保护

I、过压保护

J、紧急断电开关