Zhang Ling is meeting the tour group at the airport.
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The tour group have to proceed through the security check.
A. 对
B. 错
Zhang Ling has to proceed through the security channels.
A. 对
B. 错
Mr. Black is very appreciative of Zhang Ling’s help during the trip.
A. 对
B. 错
()的障碍主要来自于环境和倾听本身两个方面。
A. 倾听
B. 沟通
C. 表达
D. 语言