The device（装置） on above picture is ______. A. lifebuoy C. lifebuoy with self-igniting light B. orange smoke signal D. lifebuoy with light and smoke

多选题

【单选题】The engineer spent the whole night __________ on the new device.

答案解析

单选题

The device（装置） on above picture is ______.A. lifebuoyC. lifebuoy with self-igniting lightB. orange smoke signalD. lifebuoy with light and smoke

答案解析

单选题

Inspection of the lavatory rapid-decompression device.

答案解析

单选题

A hygrometer is a device（装置) used for determining ______.A. the absolute temperature B. atmospheric pressureC. wind velocity D. relative humidity(相对湿度）

答案解析

单选题

What rhetorical device is used in the underlined part of the sentence: The room sat silent.

答案解析