All of the following are distress signals under the Rules EXCEPT（）.
A: a green star signal
B: orange-colored smoke
C: red flares
D: the repeated raising and lowering of outstretched arm
A: a green star signal
B: orange-colored smoke
C: red flares
D: the repeated raising and lowering of outstretched arm
举一反三
- 37. All the following equipment can be used to identify the position of the vessel in distress except ______.
- 下列源代码用于设置一个<;div>;元素的样式。再增加( )就可以获得如下图像。 div { width: 100px; height: 100px; border-style: solid; border-width: 5px; }[img=110x110]17e443a8753385d.png[/img] A: border-color: green blue orange red; B: border-color: blue orange red green; C: border-color: red green blue orange; D: border-color: orange red green blue;
- All the following are areas where the American Red Cross helps EXCEPT:
- Which are the colours of life-saving appliances? A: Orange, green or yellow. B: Orange, red or yellow. C: Orange, blue or green. D: Orange, yellow or green.
- Which of the following is NOT a purpose of raising or lowering your voice in public speaking?