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【判断题】
西门子S7-200 SMART系列PLC是西门子公司推出的一款PLC。A.
正确
B.
错误
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反馈参考答案：
举一反三
【单选题】What should the passengers do?
A.
Wait for further notice in the exit of the lounge.
B.
Collect their baggage and go to the front exit of the lounge.
C.
collect their baggage and go to the rear exit of the lounge.
【多选题】What flight airlines should do for delayed or cancelled passengers?
A.
Provide food and drink
B.
Allow passengers to go back to the gate.
C.
Provide overnight accommodation.
D.
Not a llow delayed passengers to cancel their trip.
【简答题】激动α、β受体的药物有______和______，主要作朋于α受体的拟肾上腺 素药有______和______，主要激动β受体的药物有______等。
【单选题】What should the passengers do?
A.
Asking for refund
B.
Contact the information counter
C.
Stay at the airport
D.
Call the manager
【简答题】疾病的自然进程包括（ ）A. 完全恢复健康B. 不完全恢复健康C. 迁延不愈或转为慢性D. 蔓延扩散E. 死亡
【单选题】What should domestic passengers do before boarding?
A.
They should go through the passport and visa control counter.
B.
They should go through the quarantine area.
C.
They should show their ticket and have their baggage checked.
D.
They should go through customs.
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