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【多选题】
（多选）关于听骨链描述正确的是（ ）A.
由镫骨、锤骨、钻骨组成
B.
锤骨柄与鼓膜相连，镫骨底板与卵圆窗相连
C.
锤骨柄为长臂，钻骨长突为短臂
D.
听骨链为一个生物杠杆
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【单选题】We lost the football match, but we well have won if one of our players hadn't been hurt.
A.
must
B.
would
C.
should
D.
might
【简答题】--- Did our school football team win the as we had expected? --- No, it was so _________. They lost the by playing too riskily.
【简答题】项目实训: 某企业全年需要A零件,其外购单价25元,自制单位变动成本为20元,如果自制,每年需增加专属固定成本3500元。 要求:1.计算自制与外购的成本无差别点业务量( 填入第1空 ) 2. 当全年需要A零件为400件时你的决策是( 填入第2空 ) A. 自制 ; B. 外购 ;
【简答题】某企业生产A产品，每年需要甲零件1000件。该零件可以自制也可以外购。目前该企业已具备自制能力，自制甲零件的完全成本为30元，其中：直接材料20元，直接人工4元，变动性制造费用1元，固定性制造费用5元。假定甲零件的外购单价为26元，且自制生产能力无法转移。要求：计算自制甲零件的单位变动成本；
【单选题】-- What bad luck that we______ the football match in the last 3 minutes. --And we_______ hard in the last 3 years!
A.
had lost; trained
B.
were losing; had trained
C.
have lost; have trained
D.
lost; have been training
【单选题】We lost the football match, but we well have won if one of our players hadn't been hurt.
A.
must
B.
would
C.
should
D.
Might
【简答题】A friendship in trouble I have a problem with my best friend, Mathew. We have been best friends since c________(1) and play together in the school football team. He is usually a ch______(2) and outgoi...
【简答题】某企业生产A产品,每年需要甲零件1000件。该零件可以自制也可以外购。目前该企业已具备自制能力,自制甲零件的完全成本为30元,其中:直接材料20元,直接人工4元,变动性制造费用1元,固定性制造费用5元。假定甲零件的外购单价为26元,且自制生产能力无法转移。要求: (1)计算自制甲零件的单位变动成本; (2)作出自制或外购甲零件的决策; (3)计算节约的成本; (4)若自制生产能力可以对外出租,获租...
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