What does the guest want to know about Wonton soup?
A. He wants to know if Wonton soup has dumplings.
B. He wants to know what kind of soup Wonton soup is.
C. He wants to know if Wonton soup is nice.
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What does the waiter say about Dim Sum?
A. Dim Sum is for more than twenty people.
B. Dim Sum costs twenty dollars.
C. There are more than twenty kinds of Dim Sum.
被保险货物运抵卸货港并全部卸离海轮后，但未被收货人立即运到自己的仓库时，保险责任可以从货物全部卸离海轮时起算满（）天终止。
A. 15
B. 30
C. 60
D. 90
在医学仪器中，从仪器外壳某处通过安全地线以外导体流入大地的电流称为 。
A. 外壳漏电流
B. 接地漏电流
C. 测试漏电流
D. 患者漏电流
医疗器械的安全性测试中最重要的测试就是测量仪器的（ ）
A. 漏电流
B. 接地电阻
C. 电介质强度
D. 绝缘电阻
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