【单选题】下述关于交流电动机解体维修的操作方法叙述正确的是1若使用时轴承未见异常,可不拆下轴承,在转子上清洁即可。清洁的方法是将轴承浸泡在轻柴油中用刷子沾油清洁,清洗后可用压缩空气将轴承吹净;2无论轴承有无异常,解体电动时都必须拆下轴承进行更换;3更换轴承时,只要更换的轴承与原轴承大小相词即可;4在转子上拆卸轴承时,最常用的方法是用专用工具(拉马)钩住轴承内圈,搬动丝杠进行拆卸。若内圈与轴之间配合很紧,拆卸...
【单选题】I didn’t mean ________ anything, but those apples looked so good I couldn’t resist__________ one.
【单选题】利润是指企业在一定会计期间的经营成果,可用公式表示为( )
【判断题】硝化作用由一种硝化细菌分两步将无机营养的氨氧化成硝酸盐
【单选题】When an account is written off using the allowance method, gross accounts receivable
A.
is unchanged and the allowance account increases.
B.
increases and the allowance account increases.
C.
decreases and the allowance account decreases.
D.
decreases and the allowance account increases.
【单选题】If a business shows debtors in its balance sheet as the gross amount less allowance for impairment, which method of accounting for bad debts is being used?
A.
The ageing of balances method
B.
The direct write-off method
【单选题】Under the allowance (indirect) method of accounting for bad debts, the entry to adjust for bad debts expense is:
A.
Dr Bad debts expense Cr Allowance for impairment
B.
Dr Allowance for impairment Cr Bad debts expense
C.
Dr Allowance for impairment Cr Accounts receivable
D.
Dr Bad debts expense Cr Accounts receivable