刮涂第一层腻子时,刮刀与底材的倾斜角以()比较适宜。
A. 30°~50°
B. 50°~60°
C. 60°~70°
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正确排列下列事件的先后顺序()①九一八事变②南京大屠杀③七七事变④西安事变
A. ①②③④
B. ①④③②
C. ④①③②
D. ①④②③
发动机以最低稳定转速空转叫怠速。要求供给较浓的混合气()
A. 0.6―0.8
B. 0.9―1.11
C. 0.8―0.9
D. 1.1―1.2
对公安工作的功过是非,要依靠各级党委和政府的检验和评价。()
A. 正确
B. 错误
It should be()that any maritime liens attaching to the ship at the time of her arrest have priority over the claim for which she was arrested.
A. noted
B. seen
C. watched
D. take