消防安全绳置于()℃±5℃的干燥箱内5min后,安全绳不出现熔融、焦化现象。
A.204.0
B.278.0
C.234.0
D.235.0
参考答案:A
The question came up at the meeting _________ we had enough money for our research.
A.whether
B.that
C.if
D.what
于包扎技术,下列的工具不属于包扎工具的是()。
A.纱布、绷带
B.自粘贴、三角巾
C.尼龙网套
D.改锥