【判断题】蔬菜定植时多采取熏蒸法,将农药混入定植穴内对土壤进行消毒。
【单选题】两个正三棱柱垂直全贯的情况下,相贯点可能有:
【单选题】膨胀阀脏堵、坏堵(比如干温包泄漏,使膨胀阀打不开,制冷剂不循环)或高压管路脏堵会使系统压力( )。
【单选题】一家拥有 500 间客房的饭店属于( )。
【单选题】According to those who argue against economic growth, which of the following is NOT one of those limits that society faces?
A.
The limitation of natural resources.
B.
The destruction of natural environment.
C.
The increase of the world's population.
D.
The decrease of the quality of fife.
【单选题】证见骨蒸潮热,盗汗遗精,咳嗽咯血,心烦易怒,足膝疼热,舌红少苔,尺脉数而有力。方剂易选用
【多选题】(多项选择题)根据《旅游法》第56条的规定,国家根据旅游活动的风险程度,对( )以及《旅游法》第47条规定的高风险旅游项目等经营者实施责任保险制度。