单项选择题 Which of the following is NOT the main law-making bodies in the UK ? A.The Courts B.The House of CommonsC.ParliamentD.The House of Representatives
单项选择题 Crack growth rates are initially high but decrease, with the decreasing crack length. （ ）A.对B.错
单项选择题 Recording estimated warranty expense in the year the related products are sold best follows expense recognition (matching) of accounting principle.（ ）A.对B.错