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【判断题】
在遥控飞机中，控制升降舵需要一个通道，控制副翼需要一个通道，控制方向舵需要一个通道，控制动力也需要一个通道，因此在遥控飞机中通常需要很多个通道的遥控设备，以便实现更多的功能。A.
正确
B.
错误
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反馈参考答案：
举一反三
【多选题】What should the tour guide do after taking the tourists to the airport lobby?
A.
assist the tourists to fill out the Customs Declaration Form
B.
help the tourists have the luggage checked in
C.
make sure every tourist get the boarding card
D.
buy some souvenirs for the tourists at the airport
【简答题】Task 1 Chen Qiang is a tour leader. He is talking with a stewardess to help his tourist order some drinks on a plane. Listen to the conversation and fill in the blanks with what you hear. Chen Qiang: ...
【多选题】一项计划的制定一般包括哪 3 个方面的工作( )
A.
分析环境与预测
B.
制定实现目标的行动方案并择优 prefix="o" ns="urn:schemas-microsoft-com:office:office"? ?xml:namespace>
C.
计划方案的细化与预算化
D.
实施计划并反馈
【单选题】以下流程顺序正确的是
A.
报关 - 退单 - 核销 - 退税
B.
核销 - 退税 - 报关 - 退单
C.
退单 - 核销 - 退税 - 报关
D.
退税 - 核销 - 退单 - 报关
【简答题】听一面一段对话，回答第1-4题。 1. What would Joe probably do during the Thanksgiving holiday? A. Go to a play. B. Stay at home. C. Visit Kingston. 2. What is Ariel going to do in Toronto? A. Attend a party. B. Meet...
【简答题】听选一段材料,回答第1-4题。 1. What would Joe probably do during the Thanksgiving holiday? A. Go to a play. B. Stay at home. C. Visit Kingston. 2. What is Ariel going to do in Toronto? A. Attend a party. B. Meet ...
【简答题】听下面一段材料，回答第1-4题。 1.What would Joe probably do during the Thanksgiving holiday? A. Go to a play. B. Stay at home. C. Visit Kingston. 2.What is Ariel going to do in Toronto? A. Attend a party. B. Meet h...
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