CJ-1型双频道回声仪在环境温度低于零下30℃时,为了保证精度,笔录仪应在“慢”挡走纸(),然后开始记录。
A、20cm
B、30cm
C、40cm
D、50cm
参考答案:B
What did he want to know,Anne?
-- I became the NO. 1 highest paid movie star last year.
A.How was it that
B.It was how that
C.It was how
D.How it was that
环境影响报告表如不能说明项目产生的污染及对环境造成的影响,应根据建设项目的特点和当地环境特征,选择______项进行专项评价,专项评价按照环境影响评价技术导则的有关要求进行。
A.1~2
B.1~3
C.2~3
D.3~5